List of publications

83

Authors:

Julius Gemen, Michał J. Białek, Miri Kazes, Linda J.W. Shimon, Moran Feller, Sergey N. Semenov, Yael Diskin-Posner, Dan Oron, Rafal Klajn

Ternary host-guest complexes with rapid exchange kinetics and photoswitchable fluorescence

Published on

Chem 2022, 8, 2362–2379

Picture of publication: Ternary host-guest complexes with rapid exchange kinetics and photoswitchable fluorescence

Photodimerization of anthracenes encapsulated within a porous coordination cage shifts the equilibria between the fluorescent anthracene–BODIPY heterodimers and non-fluorescent homodimers.

Go to publication Ternary host-guest complexes with rapid exchange kinetics and photoswitchable fluorescence on doi website

82

Authors:

Julius Gemen, Rafal Klajn

Electron catalysis expands the supramolecular chemist’s toolbox

Published on

Chem 2022, 8, 1183–1186

Picture of publication: Electron catalysis expands the supramolecular chemist’s toolbox

Highlight of a recent paper showing that the formation of host–guest complexes can be catalyzed by electrons.

Go to publication Electron catalysis expands the supramolecular chemist’s toolbox on doi website

81

Authors:

Oksana Yanshyna, Michał J. Białek, Oleg V. Chashchikhin, Rafal Klajn

Encapsulation within a coordination cage modulates the reactivity of redox-active dyes

Published on

Communications Chemistry 2022, 5, 44

Picture of publication: Encapsulation within a coordination cage modulates the reactivity of redox-active dyes

Confinement within a Pd-based coordination cage dramatically changes the optical properties of two redox-active dyes, resorufin and resazurin, and significantly decreases the rates of redox reactions involving both dyes.

Go to publication Encapsulation within a coordination cage modulates the reactivity of redox-active dyes on doi website

80

Authors:

Jiarong Cai, Wei Zhang, Liguang Xu, Changlong Hao, Wei Ma, Maozhong Sun, Xiaoling Wu, Xian Qin, Felippe Mariano Colombari, André Farias de Moura ... Chuanlai Xu, Rafal Klajn, Nicholas A. Kotov, Hua Kuang

Polarization-sensitive optoionic membranes from chiral plasmonic nanoparticles

Published on

Nature Nanotechnology 2022, 17, 408–416

Picture of publication: Polarization-sensitive optoionic membranes from chiral plasmonic nanoparticles

Chiral gold nanoparticles coated with enantiomerically pure phenylalanine were assembled into nanoporous membranes, whose ionic conductivity depends on the handedness of the incident circularly polarized light.

Go to publication Polarization-sensitive optoionic membranes from chiral plasmonic nanoparticles on doi website

79

Authors:

Oksana Yanshyna, Liat Avram, Linda J. W. Shimon, Rafal Klajn

Coexistence of 1:1 and 2:1 inclusion complexes of indigo carmine

Published on

Chem. Commun. 2022, 58, 3461–3464

Picture of publication: Coexistence of 1:1 and 2:1 inclusion complexes of indigo carmine

The formation of an inclusion complex between a palladium-based coordination cage and the dye indigo carmine affects both the host (stabilization of a previously unknown conformation of the cage) and the guest (modulation of the optical properties).

Go to publication Coexistence of 1:1 and 2:1 inclusion complexes of indigo carmine on doi website

78

Authors:

Richard H. Huang, Nazia Nayeem, Ye He, Jorge Morales, Duncan Graham, Rafal Klajn, Maria Contel, Stephen O'Brien, Rein V. Ulijn

Self-Complementary Zwitterionic Peptides Direct Nanoparticle Assembly and Enable Enzymatic Selection of Endocytic Pathways

Published on

Advanced Materials 2022, 34, 2104962

Picture of publication: Self-Complementary Zwitterionic Peptides Direct Nanoparticle Assembly and Enable Enzymatic Selection of Endocytic Pathways

Cancer-specific enzymes cleave peptide chains immobilized on gold nanoparticles, triggering multivalent electrostatic interactions between the particles, leading to their irreversible aggregation.

Go to publication Self-Complementary Zwitterionic Peptides Direct Nanoparticle Assembly and Enable Enzymatic Selection of Endocytic Pathways on doi website

77

Authors:

Tong Bian, Andrea Gardin, Julius Gemen, Lothar Houben, Claudio Perego, Byeongdu Lee, Nadav Elad, Zonglin Chu, Giovanni M. Pavan, Rafal Klajn

Electrostatic co-assembly of nanoparticles with oppositely charged small molecules into static and dynamic superstructures

Published on

Nature Chemistry 2021, 13, 940–949

Picture of publication: Electrostatic co-assembly of nanoparticles with oppositely charged small molecules into static and dynamic superstructures

Small molecules with three (or more) negative charges can mediate attractive interactions between positively charged nanoparticles in water, whereas those that bear one or two negative charges are unable to do so.

Go to publication Electrostatic co-assembly of nanoparticles with oppositely charged small molecules into static and dynamic superstructures on doi website

76

Authors:

Tong Bian, Rafal Klajn

Morphology control in crystalline nanoparticle–polymer aggregates

Published on

Ann. N.Y. Acad. Sci. 2021, 1505, 191–201

Picture of publication: Morphology control in crystalline nanoparticle–polymer aggregates

Long and flexible polymer chains can mediate self-assembly of charged nanoparticles into regular, three-dimensional crystals.

Go to publication Morphology control in crystalline nanoparticle–polymer aggregates on doi website

75

Authors:

Maren Weißenfels, Julius Gemen, Rafal Klajn

Dissipative Self-Assembly: Fueling with Chemicals vs. Light

Published on

Chem 2021, 7, 23–37

Picture of publication: Dissipative Self-Assembly: Fueling with Chemicals vs. Light

Despite some obvious differences between chemically and light-driven dissipative self-assembly, many intriguing analogies exist between these two modes of self-assembly.

Go to publication Dissipative Self-Assembly: Fueling with Chemicals vs. Light on doi website

74

Authors:

Joonas Ryssy, Ashwin K. Natarajan, Jinhua Wang, Arttu J. Lehtonen, Minh-Kha Nguyen, Rafal Klajn, Anton Kuzyk

Light-Responsive Dynamic DNA-Origami-Based Plasmonic Assemblies

Published on

Angew. Chem. Int. Ed. 2021, 61, 5859–5863

Picture of publication: Light-Responsive Dynamic DNA-Origami-Based Plasmonic Assemblies

Native (non-photoresponsive) chiral plasmonic molecules composed of gold nanorods and DNA origami can be reversibly manipulated using light.

Go to publication Light-Responsive Dynamic DNA-Origami-Based Plasmonic Assemblies on doi website

73

Authors:

Julius Gemen, Johannes Ahrens, Linda J. W. Shimon, Rafal Klajn

Modulating the Optical Properties of BODIPY Dyes by Noncovalent Dimerization within a Flexible Coordination Cage

Published on

J. Am. Chem. Soc. 2020, 142, 17721–17729

Picture of publication: Modulating the Optical Properties of BODIPY Dyes by Noncovalent Dimerization within a Flexible Coordination Cage

The smallest possible aggregates (i.e., dimers) of BODIPYs are successfully isolated by supramolecular encapsulation within a flexible coordination cage. This noncovalent dimerization profoundly affects optical properties of various BODIPY derivatives.

Go to publication Modulating the Optical Properties of BODIPY Dyes by Noncovalent Dimerization within a Flexible Coordination Cage on doi website

72

Authors:

Angela B. Grommet, Lucia M. Lee, Rafal Klajn

Molecular Photoswitching in Confined Spaces

Published on

Acc. Chem. Res. 2020, 53, 2600–2610

Picture of publication: Molecular Photoswitching in Confined Spaces

We discuss five classes of synthetic light-switchable compounds — diarylethenes, anthracenes, azobenzenes, spiropyrans, and donor—acceptor Stenhouse adducts — comparing their behavior under confinement and in solution.

Go to publication Molecular Photoswitching in Confined Spaces on doi website

71

Authors:

Martina Canton, Angela B. Grommet, Luca Pesce, Julius Gemen, Shiming Li, Yael Diskin-Posner, Alberto Credi, Giovanni M. Pavan, Joakim Andréasson, Rafal Klajn

Improving Fatigue Resistance of Dihydropyrene by Encapsulation within a Coordination Cage

Published on

J. Am. Chem. Soc. 2020, 142, 14557–14565

Picture of publication: Improving Fatigue Resistance of Dihydropyrene by Encapsulation within a Coordination Cage

Encapsulation of the dihydropyrene switch within a coordination cage significantly decreases the fatigue experienced by the switch upon repeated photocycling.

Go to publication Improving Fatigue Resistance of Dihydropyrene by Encapsulation within a Coordination Cage on doi website

70

Authors:

Angela B. Grommet, Moran Feller, Rafal Klajn

Chemical reactivity under nanoconfinement

Published on

Nature Nanotechnology 2020, 15, 256–271

Picture of publication: Chemical reactivity under nanoconfinement

We survey strategies to control chemical reactivity of species under different types of nanoconfinement and demonstrate that different types of confined spaces modulate reactivity in similar ways.

Go to publication Chemical reactivity under nanoconfinement on doi website

69

Authors:

Luca Pesce, Claudio Perego, Angela B. Grommet, Rafal Klajn, Giovanni M. Pavan

Molecular Factors Controlling the Isomerization of Azobenzenes in the Cavity of a Flexible Coordination Cage

Published on

J. Am. Chem. Soc. 2020, 142, 9792–9802

Picture of publication: Molecular Factors Controlling the Isomerization of Azobenzenes in the Cavity of a Flexible Coordination Cage

Reconstruction of the mechanism of azobenzene switching within the cavity of a coordination cage.

Go to publication Molecular Factors Controlling the Isomerization of Azobenzenes in the Cavity of a Flexible Coordination Cage on doi website

68

Authors:

Silvia Moreno, Priyanka Sharan, Johanna Engelke, Hannes Gumz, Susanne Boye, Ulrich Oertel, Peng Wang, Susanta Banerjee, Rafal Klajn, Brigitte Voit, Albena Lederer, Dietmar Appelhans

Light-Driven Proton Transfer for Cyclic and Temporal Switching of Enzymatic Nanoreactors

Published on

Small 2020, 16, 2002135

Picture of publication: Light-Driven Proton Transfer for Cyclic and Temporal Switching of Enzymatic Nanoreactors

We report that light‐driven proton transfer triggered by a merocyanine‐based photoacid can be used to modulate the permeability of pH‐responsive polymersome membrane.

Go to publication Light-Driven Proton Transfer for Cyclic and Temporal Switching of Enzymatic Nanoreactors on doi website

67

Authors:

Yonatan Anahory, H. R. Naren, Ella O. Lachman, Sophia Buhbut Sinai, Aviram Uri, Lior Embon, Elad Yaakobi, Yuri Myasoedov, Martin E. Huber, Rafal Klajn, Eli Zeldov

SQUID-on-tip with single-electron spin sensitivity for high-field and ultra-low temperature nanomagnetic imaging

Published on

Nanoscale 2020, 12, 3174–3182

Picture of publication: SQUID-on-tip with single-electron spin sensitivity for high-field and ultra-low temperature nanomagnetic imaging

The smallest SQUID-on-tip device obtained to date enables low-temperature magnetic characterization of individual Fe₃O₄ nanocubes.

Go to publication SQUID-on-tip with single-electron spin sensitivity for high-field and ultra-low temperature nanomagnetic imaging on doi website

66

Authors:

Tong Bian, Zonglin Chu, Rafal Klajn

The Many Ways to Assemble Nanoparticles using Light

Published on

Adv. Mater. 2020, 32, 1905866

Picture of publication: The Many Ways to Assemble Nanoparticles using Light

The diverse approaches that have so far been developed to control the self‐assembly of nanoparticles using light are reviewed and critically compared.

Go to publication The Many Ways to Assemble Nanoparticles using Light on doi website

65

Authors:

Zonglin Chu, Rafal Klajn

Polysilsesquioxane Nanowire Networks as an “Artificial Solvent” for Reversible Operation of Photochromic Molecules

Published on

Nano Letters 2019, 19, 7106–7111

Picture of publication: Polysilsesquioxane Nanowire Networks as an “Artificial Solvent” for Reversible Operation of Photochromic Molecules

We report a general methodology allowing for reversible switching of photochromic compounds under solvent-free conditions, within nanoporous networks of superhydrophobic nanofilaments.

Go to publication Polysilsesquioxane Nanowire Networks as an “Artificial Solvent” for Reversible Operation of Photochromic Molecules on doi website

64

Authors:

Anton I. Hanopolskyi, Soumen De, Michał J. Białek, Yael Diskin-Posner, Liat Avram, Moran Feller, Rafal Klajn

Reversible switching of arylazopyrazole within a metal–organic cage

Published on

Beilstein J. Org. Chem. 2019, 15, 2398–2407

Picture of publication: Reversible switching of arylazopyrazole within a metal–organic cage

A coordination cage forms a 1:2 inclusion complex with E-phenylazopyrazole. UV-induced switching to the Z isomer triggers the release of one of the two guests from the cage and the formation of a 1:1 cage/Z-phenylazopyrazole complex.

Go to publication Reversible switching of arylazopyrazole within a metal–organic cage on doi website

63

Authors:

Michał J. Białek, Rafal Klajn

Diamond Grows Up

Published on

Chem 2019, 5, 2283–2285

Picture of publication: Diamond Grows Up

Highlight of a recent paper showing that diamondoid nanoporous frameworks can be obtained from a hexacationic building block lacking a tetrahedral symmetry.

Go to publication Diamond Grows Up on doi website

62

Authors:

Marek Grzelczak, Luis M. Liz-Marzán, Rafal Klajn

Stimuli-responsive self-assembly of nanoparticles

Published on

Chem. Soc. Rev. 2019, 48, 1342–1361

Picture of publication: Stimuli-responsive self-assembly of nanoparticles

We review strategies developed to control dynamic self-assembly of nanoparticles using various stimuli, including solvents, pH, gases, metal ions, biomolecules, temperature, magnetic fields, electric fields, as well as light.

Go to publication Stimuli-responsive self-assembly of nanoparticles on doi website

61

Authors:

Zonglin Chu, Yanxiao Han, Tong Bian, Soumen De, Petr Král, Rafal Klajn

Supramolecular Control of Azobenzene Switching on Nanoparticles

Published on

J. Am. Chem. Soc. 2019, 141, 1949–1960

Picture of publication: Supramolecular Control of Azobenzene Switching on Nanoparticles

Photoswitching properties of azobenzene can be tuned by noncovalent interactions on the surfaces of nanoparticles. For example, a hydroxy-terminated ligand can accelerate the back-isomerization reaction of nearby azobenzene groups by more than 6000 fold.

Go to publication Supramolecular Control of Azobenzene Switching on Nanoparticles on doi website

60

Authors:

Dipak Samanta, Julius Gemen, Zonglin Chu, Yael Diskin-Posner, Linda J. W. Shimon, Rafal Klajn

Reversible photoswitching of encapsulated azobenzenes in water

Published on

Proc. Natl. Acad. Sci. USA 2018, 115, 9379–9384

Picture of publication: Reversible photoswitching of encapsulated azobenzenes in water

Several structurally diverse azobenzenes can be encapsulated inside a flexible coordination cage, which does not compromise their photoswitching properties.

Go to publication Reversible photoswitching of encapsulated azobenzenes in water on doi website

59

Authors:

Zonglin Chu, Yanxiao Han, Petr Král, Rafal Klajn

“Precipitation on Nanoparticles”: Attractive Intermolecular Interactions Stabilize Specific Ligand Ratios on the Surfaces of Nanoparticles

Published on

Angew. Chem. Int. Ed. 2018, 141, 1949–1960

Picture of publication: “Precipitation on Nanoparticles”: Attractive Intermolecular Interactions Stabilize Specific Ligand Ratios on the Surfaces of Nanoparticles

Co-adsorption of two different ligands onto nanoparticles can induce intermolecular interactions between them, which favors a narrow range of ratios of ligands molecules on the nanoparticles that is largely independent of their molar ratio in solution.

Go to publication “Precipitation on Nanoparticles”: Attractive Intermolecular Interactions Stabilize Specific Ligand Ratios on the Surfaces of Nanoparticles on doi website

58

Authors:

Dipak Samanta, Daria Galaktionova, Julius Gemen, Linda J. W. Shimon, Yael Diskin-Posner, Liat Avram, Petr Král, Rafal Klajn

Reversible chromism of spiropyran in the cavity of a flexible coordination cage

Published on

Nature Communications 2018, 9, 641

Picture of publication: Reversible chromism of spiropyran in the cavity of a flexible coordination cage

Physicochemical properties of spiropyran—a commonly used photoresponsive switch—are markedly affected by placing it inside the cavity of a flexible coordination cage.

Go to publication Reversible chromism of spiropyran in the cavity of a flexible coordination cage on doi website

57

Authors:

Soumen De, Rafal Klajn

Dissipative Self-Assembly Driven by the Consumption of Chemical Fuels

Published on

Adv. Mater. 2018, 30, 1706750

Picture of publication: Dissipative Self-Assembly Driven by the Consumption of Chemical Fuels

Short review of recent progress in developing diverse synthetic molecular dissipative self‐assembly systems.

Go to publication Dissipative Self-Assembly Driven by the Consumption of Chemical Fuels on doi website

56

Authors:

David Bléger, Rafal Klajn

Integrating Macromolecules with Molecular Switches

Published on

Macromol. Rapid Commun. 2018, 39, 1700827

Picture of publication: Integrating Macromolecules with Molecular Switches

Editorial preceding a collection of 17 research papers and review articles within Macromolecular Rapid Communications Special Issue “Synthetic Macromolecular Machines”.

Go to publication Integrating Macromolecules with Molecular Switches on doi website

55

Authors:

Michał Sawczyk, Rafal Klajn

Out-of-Equilibrium Aggregates and Coatings during Seeded Growth of Metallic Nanoparticles

Published on

J. Am. Chem. Soc. 2017, 139, 17973–17978

Picture of publication: Out-of-Equilibrium Aggregates and Coatings during Seeded Growth of Metallic Nanoparticles

We disclose a new mechanism of transient aggregation of gold and silver nanoparticles occurring during seeded nanoparticle growth.

Go to publication Out-of-Equilibrium Aggregates and Coatings during Seeded Growth of Metallic Nanoparticles on doi website

54

Authors:

Thumu Udayabhaskararao, Thomas Altantzis, Lothar Houben, Marc Coronado-Puchau, Judith Langer, Ronit Popowitz-Biro, Luis M. Liz-Marzán, Lela Vuković, Petr Král, Sara Bals, Rafal Klajn

Tunable porous nanoallotropes prepared by post-assembly etching of binary nanoparticle superlattices

Published on

Science 2017, 358, 514–518

Picture of publication: Tunable porous nanoallotropes prepared by post-assembly etching of binary nanoparticle superlattices

Binary nanoparticle arrays treated with etchants selective for one of their components are transformed into a new family of nanoporous materials – non–close-packed nanoparticle superlattices.

Go to publication Tunable porous nanoallotropes prepared by post-assembly etching of binary nanoparticle superlattices on doi website

53

Authors:

Dipak Samanta, Rafal Klajn

Clathrates grow up

Published on

Science 2017, 355, 912

Picture of publication: Clathrates grow up

Highlight of a recent report showing that bipyramidal gold nanocrystals can self-assemble into colloidal crystals with structures that resemble those of molecular clathrates, but on a much higher length scale.

Go to publication Clathrates grow up on doi website

52

Authors:

Jan van Esch, Rafal Klajn, Sijbren Otto

Chemical systems out of equilibrium

Published on

Chem. Soc. Rev. 2017, 46, 5474–5475

Picture of publication: Chemical systems out of equilibrium

Editorial preceding a collection of 11 review articles within Chemical Society Reviews themed issue “Chemical systems out of equilibrium”.

Go to publication Chemical systems out of equilibrium on doi website

51

Authors:

Johannes Ahrens, Tong Bian, Tom Vexler, Rafal Klajn

Irreversible Bleaching of Donor–Acceptor Stenhouse Adducts on the Surfaces of Magnetite Nanoparticles

Published on

ChemPhotoChem 2017, 1, 230–236

Picture of publication: Irreversible Bleaching of Donor–Acceptor Stenhouse Adducts on the Surfaces of Magnetite Nanoparticles

Upon attachment to nanoparticles, the DASA photoswitches undergo an irreversible decoloration reaction owing to the formation of the zwitterionic form.

Go to publication Irreversible Bleaching of Donor–Acceptor Stenhouse Adducts on the Surfaces of Magnetite Nanoparticles on doi website

50

Authors:

Pintu K. Kundu, Sanjib Das, Johannes Ahrens, Rafal Klajn

Controlling the lifetimes of dynamic nanoparticle aggregates by spiropyran functionalization

Published on

Nanoscale 2016, 8, 19280–19286

Picture of publication: Controlling the lifetimes of dynamic nanoparticle aggregates by spiropyran functionalization

We show that the lifetimes of dynamic aggregates of spiropyran-decorated nanoparticles depend on and can be controlled by the molar fraction of spiropyran on the nanoparticles.

Go to publication Controlling the lifetimes of dynamic nanoparticle aggregates by spiropyran functionalization on doi website

49

Authors:

Thomas Moldt, Daniel Przyrembel, Michael Schulze, Wibke Bronsch, Larissa Boie, Daniel Brete, Cornelius Gahl, Rafal Klajn, Petra Tegeder, Martin Weinelt

Differing Isomerization Kinetics of Azobenzene-Functionalized Self-Assembled Monolayers in Ambient Air and in Vacuum

Published on

Langmuir 2016, 32, 10795–10801

Picture of publication: Differing Isomerization Kinetics of Azobenzene-Functionalized Self-Assembled Monolayers in Ambient Air and in Vacuum

Adventitious water adsorbed on the surface of azobenzene-terminated self-assembled monolayers stabilizes the polar cis configuration of azobenzene under ambient conditions, thus greatly decreasing the kinetics of the thermal back-isomerization.

Go to publication Differing Isomerization Kinetics of Azobenzene-Functionalized Self-Assembled Monolayers in Ambient Air and in Vacuum on doi website

48

Authors:

Dipak Samanta, Rafal Klajn

Aqueous Light-Controlled Self-Assembly of Nanoparticles

Published on

Adv. Opt. Mater. 2016, 4, 1373–1377

Picture of publication: Aqueous Light-Controlled Self-Assembly of Nanoparticles

Non‐photoresponsive nanoparticles can be reversibly assembled using light by placing them in an aqueous solution of a merocyanine-based photoacid.

Go to publication Aqueous Light-Controlled Self-Assembly of Nanoparticles on doi website

47

Authors:

Rafal Klajn

Borrowing titania’s photoinduced electrons for molecular switching

Published on

Sci. China Chem. 2016, 59, 420–421

Picture of publication: Borrowing titania’s photoinduced electrons for molecular switching

Highlight of a recent report showing that self‐assembly of TiO₂ nanoparticles functionalized with methyl viologen can be controlled both by light irradiation and chemical reduction.

Go to publication Borrowing titania’s photoinduced electrons for molecular switching on doi website

46

Authors:

T. Udayabhaskararao, Pintu K. Kundu, Johannes Ahrens, Rafal Klajn

Reversible Photoisomerization of Spiropyran on the Surfaces of Au₂₅ Nanoclusters

Published on

ChemPhysChem 2016, 17, 1805–1809

Picture of publication: Reversible Photoisomerization of Spiropyran on the Surfaces of Au<sub>25</sub> Nanoclusters

Spiropyran bound to Au₂₅ nanoclusters isomerizes in a reversible fashion when exposed to UV and visible light, with switching characteristics similar to those of free spiropyran molecules in solution.

Go to publication Reversible Photoisomerization of Spiropyran on the Surfaces of Au₂₅ Nanoclusters on doi website

45

Authors:

Nadav Amdursky, Pintu K. Kundu, Johannes Ahrens, Dan Huppert, Rafal Klajn

Noncovalent Interactions with Proteins Modify the Physicochemical Properties of a Molecular Switch

Published on

ChemPlusChem 2016, 81, 41–48

Picture of publication: Noncovalent Interactions with Proteins Modify the Physicochemical Properties of a Molecular Switch

It is reported that the spiropyran molecular switch can be stabilized—and reversibly photoswitched—in aqueous environments in the presence of a variety of proteins, including human serum albumin, insulin fibrils, lysozyme, and glucose oxidase.

Go to publication Noncovalent Interactions with Proteins Modify the Physicochemical Properties of a Molecular Switch on doi website

44

Authors:

Hui Zhao, Soumyo Sen, T. Udayabhaskararao, Michał Sawczyk, Kristina Kučanda, Debasish Manna, Pintu K. Kundu, Ji-Woong Lee, Petr Král, Rafal Klajn

Reversible occlusion and reaction acceleration within dynamically self-assembling nanoflasks

Published on

Nature Nanotechnology 2016, 11, 82–88

Picture of publication: Reversible occlusion and reaction acceleration within dynamically self-assembling nanoflasks

We demonstrate that dynamically self-assembling nanoparticle aggregates can trap molecules from the solution and drastically affect their chemical reactivity.

Go to publication Reversible occlusion and reaction acceleration within dynamically self-assembling nanoflasks on doi website

43

Authors:

Pintu K. Kundu, Dipak Samanta, Ron Leizrowice, Baruch Margulis, Hui Zhao, Martin Börner, T. Udayabhaskararao, Debasish Manna, Rafal Klajn

Light-controlled self-assembly of non-photoresponsive nanoparticles

Published on

Nature Chemistry 2015, 7, 646–652

Picture of publication: Light-controlled self-assembly of non-photoresponsive nanoparticles

This publication describes a conceptually new methodology to guide the assembly of nanoparticles using light that does not require the particles to be functionalized with light-responsive ligands.

Go to publication Light-controlled self-assembly of non-photoresponsive nanoparticles on doi website

42

Authors:

Debasish Manna, T. Udayabhaskararao, Hui Zhao, Rafal Klajn

Orthogonal Light-Induced Self-Assembly of Nanoparticles using Differently Substituted Azobenzenes

Published on

Angew. Chem. Int. Ed. 2015, 54, 12394–12397

Picture of publication: Orthogonal Light-Induced Self-Assembly of Nanoparticles using Differently Substituted Azobenzenes

We show that by decorating the surfaces of metallic nanoparticles with differently substituted azobenzenes, it is possible to modulate the wavelength of light at which the self‐assembly of these nanoparticles is induced.

Go to publication Orthogonal Light-Induced Self-Assembly of Nanoparticles using Differently Substituted Azobenzenes on doi website

41

Authors:

Gurvinder Singh, Henry Chan, T. Udayabhaskararao, Elijah Gelman, Davide Peddis, Artem Baskin, Gregory Leitus, Petr Král, Rafal Klajn

Magnetic field-induced self-assembly of iron oxide nanocubes

Published on

Faraday Discussions 2015, 181, 403–421

Picture of publication: Magnetic field-induced self-assembly of iron oxide nanocubes

A combined experiment–theory study aimed at better understanding of the effects of magnetite nanocrystal shape and surface chemistry on magnetically controlled self-assembly.

Go to publication Magnetic field-induced self-assembly of iron oxide nanocubes on doi website

40

Authors:

Ji-Woong Lee, Rafal Klajn

Dual-responsive nanoparticles that aggregate under the simultaneous action of light and CO₂

Published on

Chem. Commun. 2015, 51, 2036–2039

Picture of publication: Dual-responsive nanoparticles that aggregate under the simultaneous action of light and CO<sub>2</sub>

Metallic nanoparticles co-functionalized with monolayers of UV- and CO₂-sensitive ligands are prepared and shown to respond to these two types of stimuli reversibly and in an orthogonal fashion.

Go to publication Dual-responsive nanoparticles that aggregate under the simultaneous action of light and CO₂ on doi website

39

Authors:

Thomas Moldt, Daniel Brete, Daniel Przyrembel, Sanjib Das, Joel R. Goldman, Pintu K. Kundu, Cornelius Gahl, Rafal Klajn, Martin Weinelt

Tailoring the Properties of Surface-Immobilized Azobenzenes by Monolayer Dilution and Surface Curvature

Published on

Langmuir 2015, 31, 1048–1057

Picture of publication: Tailoring the Properties of Surface-Immobilized Azobenzenes by Monolayer Dilution and Surface Curvature

Photoswitching of azobenzene within self-assembled monolayers depends on steric constraints and excitonic coupling between neighboring chromophores, and it can be controlled by monolayer dilution and by modifying the curvature of the underlying substrate.

Go to publication Tailoring the Properties of Surface-Immobilized Azobenzenes by Monolayer Dilution and Surface Curvature on doi website

38

Authors:

Pintu K. Kundu, Rafal Klajn

Watching Single Molecules Move in Response to Light

Published on

ACS Nano 2014, 8, 11913–11916

Picture of publication: Watching Single Molecules Move in Response to Light

Highlight of a recent report in which force microscopy was used to demonstrate light-induced contraction, extension, and crawling events in photoresponsive polymers on a single-molecule level.

Go to publication Watching Single Molecules Move in Response to Light on doi website

37

Authors:

Pintu K. Kundu, Avishai Lerner, Kristina Kučanda, Gregory Leitus, Rafal Klajn

Cyclic Kinetics during Thermal Equilibration of an Axially Chiral Bis-Spiropyran

Published on

J. Am. Chem. Soc. 2014, 136, 11276–11279

Picture of publication: Cyclic Kinetics during Thermal Equilibration of an Axially Chiral Bis-Spiropyran

A compound combining the features of a molecular rotor and a photoswitch was synthesized and shown to exist as three diastereomers, which interconvert via a reversible cyclic reaction scheme.

Go to publication Cyclic Kinetics during Thermal Equilibration of an Axially Chiral Bis-Spiropyran on doi website

36

Authors:

Gurvinder Singh, Henry Chan, Artem Baskin, Elijah Gelman, Nikita Repnin, Petr Král, Rafal Klajn

Self-assembly of magnetite nanocubes into helical superstructures

Published on

Science 2014, 345, 1149–1153

Picture of publication: Self-assembly of magnetite nanocubes into helical superstructures

Competition between different nanoscale forces guides self-assembly of simple magnetic nanoparticles into complex higher-order structures, including double helices.

Go to publication Self-assembly of magnetite nanocubes into helical superstructures on doi website

35

Authors:

Pintu K. Kundu, Gregory L. Olsen, Vladimir Kiss, Rafal Klajn

Nanoporous frameworks exhibiting multiple stimuli responsiveness

Published on

Nature Communications 2014, 5, 3588

Picture of publication: Nanoporous frameworks exhibiting multiple stimuli responsiveness

Porous materials incorporating spiropyran units within their nanopores exhibit a variety of interesting properties, including reversible photochromism and acidochromism under solvent-free conditions and light-controlled capture and release of metal ions.

Go to publication Nanoporous frameworks exhibiting multiple stimuli responsiveness on doi website

34

Authors:

Tino Zdobinsky, Pradipta Sankar Maiti, Rafal Klajn

Support Curvature and Conformational Freedom Control Chemical Reactivity of Immobilized Species

Published on

J. Am. Chem. Soc. 2014, 136, 2711–2714

Picture of publication: Support Curvature and Conformational Freedom Control Chemical Reactivity of Immobilized Species

We show that light-induced bimolecular reactions between anthracenes confined to the surfaces of nanoparticles can be manipulated by the length of the linker, as well as by the curvature of the underlying particles.

Go to publication Support Curvature and Conformational Freedom Control Chemical Reactivity of Immobilized Species on doi website

33

Authors:

Rafal Klajn

Spiropyran-based dynamic materials

Published on

Chem. Soc. Rev. 2014, 43, 148–184

Picture of publication: Spiropyran-based dynamic materials

This review discusses the synthesis, switching properties, and use of dynamic materials in which spiropyran is attached to the surfaces of polymers, biomacromolecules, inorganic nanoparticles, and solid surfaces.

Go to publication Spiropyran-based dynamic materials on doi website

32

Authors:

Tal Ely, Sanjib Das, Wenjie Li, Pintu K. Kundu, Einat Tirosh, David Cahen, Ayelet Vilan, Rafal Klajn

Photocontrol of Electrical Conductance with a Nonsymmetrical Azobenzene Dithiol

Published on

Synlett 2013, 24, 2370–2374

Picture of publication: Photocontrol of Electrical Conductance with a Nonsymmetrical Azobenzene Dithiol

Azobenzene groups incorporated within electrode–monolayer–electrode junctions retain their switching properties and permit the photocontrol of electrical conductance.

Go to publication Photocontrol of Electrical Conductance with a Nonsymmetrical Azobenzene Dithiol on doi website

31

Authors:

Sanjib Das, Priyaradshi Ranjan, Pradipta Sankar Maiti, Gurvinder Singh, Gregory Leitus, Rafal Klajn

Dual-Responsive Nanoparticles and their Self-Assembly

Published on

Adv. Mater. 2013, 25, 422–426

Picture of publication: Dual-Responsive Nanoparticles and their Self-Assembly

Design and preparation of nanoparticles whose properties can be orthogonally modified by two types of external stimuli – light and magnetic field.

Go to publication Dual-Responsive Nanoparticles and their Self-Assembly on doi website

30

Authors:

Olga Chovnik, Renata Balgley, Joel R. Goldman, Rafal Klajn

Dynamically Self-Assembling Carriers Enable Guiding of Diamagnetic Particles by Weak Magnets

Published on

J. Am. Chem. Soc. 2012, 134, 19564–19567

Picture of publication: Dynamically Self-Assembling Carriers Enable Guiding of Diamagnetic Particles by Weak Magnets

We show that diamagnetic particles can be remotely manipulated by a magnet by reversible adsorption of dual-responsive, light-switchable/superparamagnetic nanoparticles on their surfaces.

Go to publication Dynamically Self-Assembling Carriers Enable Guiding of Diamagnetic Particles by Weak Magnets on doi website

29

Authors:

Yonatan Ridelman, Gurvinder Singh, Ronit Popovitz-Biro, Sharon G. Wolf, Sanjib Das, Rafal Klajn

Metallic Nanobowls by Galvanic Replacement Reaction on Heterodimeric Nanoparticles

Published on

Small 2012, 8, 654–660

Picture of publication: Metallic Nanobowls by Galvanic Replacement Reaction on Heterodimeric Nanoparticles

Magnetic Fe₃O₄ nanoparticles are employed as “protecting groups” during the galvanic replacement of silver with gold occurring on Ag–Fe₃O₄ heterodimers, leading to bowl-shaped nanoparticles.

Go to publication Metallic Nanobowls by Galvanic Replacement Reaction on Heterodimeric Nanoparticles on doi website

28

Authors:

Rafal Klajn

Immobilized azobenzenes for the construction of photoresponsive materials

Published on

Pure Appl. Chem. 2010, 82, 2247–2279

Picture of publication: Immobilized azobenzenes for the construction of photoresponsive materials

This review paper discusses switching properties of immobilized azobenzenes in the context of the development of new photoresponsive materials.

Go to publication Immobilized azobenzenes for the construction of photoresponsive materials on doi website

27

Authors:

Rafal Klajn, J. Fraser Stoddart, Bartosz A. Grzybowski

Nanoparticles functionalised with molecular and supramolecular switches

Published on

Chem. Soc. Rev. 2010, 39, 2203–2237

Picture of publication: Nanoparticles functionalised with molecular and supramolecular switches

This review paper evaluates materials which comprise nanoparticles functionalized with self-assembled monolayers of molecular and supramolecular switches.

Go to publication Nanoparticles functionalised with molecular and supramolecular switches on doi website

26

Authors:

Rafal Klajn, Kevin P. Browne, Bartosz A. Grzybowski

Nanoparticles That "Remember" Temperature

Published on

Small 2010, 6, 1385–1387

Picture of publication: Nanoparticles That

Photoresponsive gold nanoparticles dispersed in a solid/frozen matrix provide a basis for sensors that “remember” whether the sample has ever exceeded the melting temperature of the matrix.

Go to publication Nanoparticles That "Remember" Temperature on doi website

25

Authors:

Ali Coskun, Paul J. Wesson, Rafal Klajn, Ali Trabolsi, Lei Fang, Mark A. Olson, Sanjeev K. Dey, Bartosz A. Grzybowski, J. Fraser Stoddart

Molecular-Mechanical Switching at the Nanoparticle–Solvent Interface: Practice and Theory

Published on

J. Am. Chem. Soc. 2010, 132, 4310–4320

Picture of publication: Molecular-Mechanical Switching at the Nanoparticle–Solvent Interface: Practice and Theory

Gold, silver, and palladium nanoparticles have been functionalized with redox-active molecular and supramolecular switches. The redox potentials of these switches depend on their molar fraction within the self-assembled monolayers on the nanoparticles.

Go to publication Molecular-Mechanical Switching at the Nanoparticle–Solvent Interface: Practice and Theory on doi website

24

Authors:

Rafal Klajn, Mark A. Olson, Paul J. Wesson, Lei Fang, Ali Coskun, Ali Trabolsi, Siowling Soh, J. Fraser Stoddart, Bartosz A. Grzybowski

Dynamic hook-and-eye nanoparticle sponges

Published on

Nature Chemistry 2009, 1, 733–738

Picture of publication: Dynamic hook-and-eye nanoparticle sponges

We describe polymers that capture and release functionalized nanoparticles as a result of reversible, redox-controlled formation of polypseudorotaxanes.

Go to publication Dynamic hook-and-eye nanoparticle sponges on doi website

23

Authors:

Kevin P. Browne, Rafal Klajn, JulieAnn Villa, Bartosz A. Grzybowski

Mechanofabrication of Pancake and Rodlike Nanostructures from Deformable Nanoparticles Aggregates

Published on

Small 2009, 5, 2656–2658

Picture of publication: Mechanofabrication of Pancake and Rodlike Nanostructures from Deformable Nanoparticles Aggregates

Spherical aggregates of crosslinked metal nanoparticles are transformed into pancake- and rod-like assemblies by mechanical stresses and shears imparted by macroscopic objects.

Go to publication Mechanofabrication of Pancake and Rodlike Nanostructures from Deformable Nanoparticles Aggregates on doi website

22

Authors:

Mark A. Olson, Ali Coskun, Rafal Klajn, Lei Fang, Sanjeev K. Dey, Kevin P. Browne, Bartosz A. Grzybowski, J. Fraser Stoddart

Assembly of Polygonal Clusters Directed by Reversible Noncovalent Bonding Interactions

Published on

Nano Letters 2009, 9, 3185–3190

Picture of publication: Assembly of Polygonal Clusters Directed by Reversible Noncovalent Bonding Interactions

Nanoparticle doublets, triplets, and quartets assembled via noncovalent bonding interactions can be reversibly disassembled and reassembled. They can also be coalesced into permanent polygonal structures by thermal treatment using a focused electron beam.

Go to publication Assembly of Polygonal Clusters Directed by Reversible Noncovalent Bonding Interactions on doi website

21

Authors:

Rafal Klajn, Paul J. Wesson, Kyle J. M. Bishop, Bartosz A. Grzybowski

Writing Self-Erasing Images using Metastable Nanoparticle “Inks”

Published on

Angew. Chem. Int. Ed. 2009, 48, 7035–7039

Picture of publication: Writing Self-Erasing Images using Metastable Nanoparticle “Inks”

Plasmonic nanoparticles coated with photoresponsive ligands are used as “inks” for self‐erasing “paper” whereby light‐induced self‐assembly of the nanoparticles is transduced into local color changes.

Go to publication Writing Self-Erasing Images using Metastable Nanoparticle “Inks” on doi website

20

Authors:

Hideyuki Nakanishi, Bartlomiej Kowalczyk, Abraham Nitzan, Emily A Weiss, Konstantin V. Tretiakov, Kyle J. M. Bishop, Mario M. Apodaca, Rafal Klajn, J. Fraser Stoddart, Bartosz A. Grzybowski

Photoconductance and inverse photoconductance in thin films of functionalized metal nanoparticles

Published on

Nature 2009, 460, 371–375

Picture of publication: Photoconductance and inverse photoconductance in thin films of functionalized metal nanoparticles

We describe a new class of nanoparticle-based materials whose conductivity can either increase or decrease on irradiation with visible light, depending on the molecules comprising the self-assembled monolayers stabilizing these nanoparticles.

Go to publication Photoconductance and inverse photoconductance in thin films of functionalized metal nanoparticles on doi website

19

Authors:

Paul J. Wesson, Siowling Soh, Rafal Klajn, Kyle J. M. Bishop, Timothy P. Gray, Bartosz A. Grzybowski

“Remote” Fabrication via Three-Dimensional Reaction-Diffusion: Making Complex Core-and-Shell Particles and Assembling Them into Open-Lattice Crystals

Published on

Adv. Mater. 2009, 21, 1911–1915

Picture of publication: “Remote” Fabrication via Three-Dimensional Reaction-Diffusion: Making Complex Core-and-Shell Particles and Assembling Them into Open-Lattice Crystals

Reaction–diffusion processes initiated from the surfaces of mesoscopic particles are used to fabricate complex core–shell structures.

Go to publication “Remote” Fabrication via Three-Dimensional Reaction-Diffusion: Making Complex Core-and-Shell Particles and Assembling Them into Open-Lattice Crystals on doi website

18

Authors:

Rafal Klajn, Lei Fang, Ali Coskun, Mark A. Olson, Paul J. Wesson, J. Fraser Stoddart, Bartosz A. Grzybowski

Metal Nanoparticles Functionalized with Molecular and Supramolecular Switches

Published on

J. Am. Chem. Soc. 2009, 131, 4233–4235

Picture of publication: Metal Nanoparticles Functionalized with Molecular and Supramolecular Switches

Redox potentials of molecular and supramolecular switches adsorbed onto the surfaces of metal nanoparticles depend on and can be regulated by the composition of the mixed self-assembled monolayers covering these nanoparticles.

Go to publication Metal Nanoparticles Functionalized with Molecular and Supramolecular Switches on doi website

17

Authors:

Mark A. Olson, Adam B. Braunschweig, Lei Fang, Taichi Ikeda, Rafal Klajn, Ali Trabolsi, Chad A. Mirkin, Bartosz A. Grzybowski, J. Fraser Stoddart

A Bistable Poly[2]catenane Forms Nanosuperstructures

Published on

Angew. Chem. Int. Ed. 2009, 48, 1792–1797

Picture of publication: A Bistable Poly[2]catenane Forms Nanosuperstructures

A bistable side‐chain poly[2]catenane has been synthesized and found to form hierarchical self‐assembled hollow superstructures of nanoscale dimensions in solution.

Go to publication A Bistable Poly[2]catenane Forms Nanosuperstructures on doi website

16

Authors:

Yanhu Wei, Rafal Klajn, Anatoliy O. Pinchuk, Bartosz A. Grzybowski

Synthesis, Shape Control, and Optical Properties of Hybrid Fe₃O₄-Au “Nanoflowers”

Published on

Small 2008, 10, 1635–1639

Picture of publication: Synthesis, Shape Control, and Optical Properties of Hybrid Fe<sub>3</sub>O<sub>4</sub>-Au “Nanoflowers”

The synthesis and characterization of a family of “flowerlike” Au/Fe₃O₄ nanoparticles is described, whereby Fe₃O₄ “leaves” adhere to a gold core.

Go to publication Synthesis, Shape Control, and Optical Properties of Hybrid Fe₃O₄-Au “Nanoflowers” on doi website

15

Authors:

Rafal Klajn, Timothy P. Gray, Paul J. Wesson, Benjamin D. Myers, Vinayak P. Dravid, Stoyan K. Smoukov, Bartosz A. Grzybowski

Bulk Synthesis and Surface Patterning of Nanoporous Metals and Alloys from Supraspherical Nanoparticle Aggregates

Published on

Adv. Funct. Mater. 2008, 18, 2763–2769

Picture of publication: Bulk Synthesis and Surface Patterning of Nanoporous Metals and Alloys from Supraspherical Nanoparticle Aggregates

Spherical aggregates of crosslinked nanoparticles self-assemble into larger structures, which are subsequently converted into nanoporous metals and alloys composed of up to three metals.

Go to publication Bulk Synthesis and Surface Patterning of Nanoporous Metals and Alloys from Supraspherical Nanoparticle Aggregates on doi website

14

Authors:

Rafal Klajn, Anatoliy O. Pinchuk, George C. Schatz, Bartosz A. Grzybowski

Synthesis of Heterodimeric Sphere–Prism Nanostructures via Metastable Gold Supraspheres

Published on

Angew. Chem. Int. Ed. 2007, 42, 8363–8367

Picture of publication: Synthesis of Heterodimeric Sphere–Prism Nanostructures via Metastable Gold Supraspheres

Metastable spherical aggregates of gold nanoparticles undergo a one‐to‐one, thermally induced transformation into heterodimers comprising connected plate and spherical domains.

Go to publication Synthesis of Heterodimeric Sphere–Prism Nanostructures via Metastable Gold Supraspheres on doi website

13

Authors:

Rafal Klajn, Kyle J. M. Bishop, Marcin Fialkowski, Maciej Paszewski, Christopher J. Campbell, Timothy P. Gray, Bartosz A. Grzybowski

Plastic and Moldable Metals by Self-Assembly of Sticky Nanoparticle Aggregates

Published on

Science 2007, 316, 261–264

Picture of publication: Plastic and Moldable Metals by Self-Assembly of Sticky Nanoparticle Aggregates

Spherical aggregates of metal nanoparticles crosslinked by dithiols give rise to materials that are plastic and moldable against arbitrarily shaped masters and can be thermally hardened into polycrystalline metal structures of controllable porosity.

Go to publication Plastic and Moldable Metals by Self-Assembly of Sticky Nanoparticle Aggregates on doi website

12

Authors:

Rafal Klajn, Kyle J. M. Bishop, Bartosz A. Grzybowski

Light-controlled self-assembly of reversible and irreversible nanoparticle suprastructures

Published on

Proc. Natl. Acad. Sci. USA 2007, 104, 10305–10309

Picture of publication: Light-controlled self-assembly of reversible and irreversible nanoparticle suprastructures

Pioneering report showing that manoparticles decorated with ligands terminated with photoswitchable dipoles can be assembled by light into organized, three-dimensional suprastructures of various types and sizes.

Go to publication Light-controlled self-assembly of reversible and irreversible nanoparticle suprastructures on doi website

11

Authors:

Maciej Paszewski, Stoyan K. Smoukov, Rafal Klajn, Bartosz A. Grzybowski

Multilevel Surface Nano- and Microstructuring via Sequential Photoswelling of Dichromated Gelatin

Published on

Langmuir 2007, 23, 5419–5422

Picture of publication: Multilevel Surface Nano- and Microstructuring via Sequential Photoswelling of Dichromated Gelatin

Light-induced swelling of thin films of dichromated gelatin provides a basis for fabrication of multilevel surface reliefs via sequential UV illumination through different photomasks.

Go to publication Multilevel Surface Nano- and Microstructuring via Sequential Photoswelling of Dichromated Gelatin on doi website

10

Authors:

Alexander M. Kalsin, Bartlomiej Kowalczyk, Stoyan K. Smoukov, Rafal Klajn, Bartosz A. Grzybowski

Ionic-like Behavior of Oppositely Charged Nanoparticles

Published on

J. Am. Chem. Soc. 2006, 128, 15046–15047

Picture of publication: Ionic-like Behavior of Oppositely Charged Nanoparticles

It is shown that mixtures of positively and negatively charged nanoparticles of various sizes and charge ratios precipitate only at the point of electroneutrality.

Go to publication Ionic-like Behavior of Oppositely Charged Nanoparticles on doi website

9

Authors:

Kyle J. M. Bishop, Rafal Klajn, Bartosz A. Grzybowski

The Core and Most Useful Molecules in Organic Chemistry

Published on

Angew. Chem. Int. Ed. 2006, 45, 5348–5354

Picture of publication: The Core and Most Useful Molecules in Organic Chemistry

Organic syntheses reported in the literature from 1850 to 2004 are analyzed with mathematical tools from network theory and statistical physics. We identify a set of substances (the core) from which the majority of other organic compounds can be made.

Go to publication The Core and Most Useful Molecules in Organic Chemistry on doi website

8

Authors:

Marcin Fialkowski, Kyle J. M. Bishop, Rafal Klajn, Stoyan K. Smoukov, Christopher J. Campbell, Bartosz A. Grzybowski

Principles and Implementations of Dissipative (Dynamic) Self-Assembly

Published on

J. Phys. Chem. B 2006, 110, 2482–2496

Picture of publication: Principles and Implementations of Dissipative (Dynamic) Self-Assembly

This Feature Article discusses advances in theory and practice of nonequilibrium self-assembly.

Go to publication Principles and Implementations of Dissipative (Dynamic) Self-Assembly on doi website

7

Authors:

Stoyan K. Smoukov, Christopher J. Campbell, Rafal Klajn, Kyle J. M. Bishop, Bartosz A. Grzybowski

Cutting into Solids with Micropatterned Gels

Published on

Adv. Mater. 2005, 17, 1361–1365

Picture of publication: Cutting into Solids with Micropatterned Gels

Hydrogel stamps soaked in an appropriate etchant can microstructure solid surfaces by removing material with micrometer‐scale precision.

Go to publication Cutting into Solids with Micropatterned Gels on doi website

6

Authors:

Christopher J. Campbell, Rafal Klajn, Marcin Fialkowski, Bartosz A. Grzybowski

One-Step Multilevel Microfabrication by Reaction–Diffusion

Published on

Langmuir 2005, 21, 418–423

Picture of publication: One-Step Multilevel Microfabrication by Reaction–Diffusion

A new experimental technique is described that uses reaction−diffusion phenomena as a means of one-step microfabrication of complex, multilevel surface reliefs.

Go to publication One-Step Multilevel Microfabrication by Reaction–Diffusion on doi website

5

Authors:

Dariusz Witt, Rafal Klajn, Piotr Barski, Bartosz A. Grzybowski

Applications, Properties, and Synthesis of ω-Functionalized n-Alkanethiols and Disulfides – the Building Blocks of Self-Assembled Monolayers

Published on

Curr. Org. Chem. 2004, 8, 1763–1797

Picture of publication: Applications, Properties, and Synthesis of ω-Functionalized n-Alkanethiols and Disulfides – the Building Blocks of Self-Assembled Monolayers

This review paper summarizes the applications and physical properties of self-assembled monolayers and systematizes the strategies of synthesis of ω-functionalized alkanethiols.

Go to publication Applications, Properties, and Synthesis of ω-Functionalized n-Alkanethiols and Disulfides – the Building Blocks of Self-Assembled Monolayers on doi website

4

Authors:

Rafal Klajn, Marcin Fialkowski, Igor T. Bensemann, Agnieszka Bitner, Christopher J. Campbell, Kyle Bishop, Stoyan Smoukov, Bartosz A. Grzybowski

Multicolour micropatterning of thin films of dry gels

Published on

Nature Materials 2004, 3, 729–735

Picture of publication: Multicolour micropatterning of thin films of dry gels

One-step multicolor micropatterning of surfaces is achieved using the “wet stamping” technique by simultaneously delivering several coloured chemicals.

Go to publication Multicolour micropatterning of thin films of dry gels on doi website

3

Authors:

Christopher J. Campbell, Marcin Fialkowski, Rafal Klajn, Igor T. Bensemann, Bartosz A. Grzybowski

Color Micro- and Nanopatterning with Counter-Propagating Reaction–Diffusion Fronts

Published on

Adv. Mater. 2004, 16, 1912–1917

Picture of publication: Color Micro- and Nanopatterning with Counter-Propagating Reaction–Diffusion Fronts

The “wet stamping” technique has been used to color-pattern thin films of ionically doped gelatin gels with submicrometer precision.

Go to publication Color Micro- and Nanopatterning with Counter-Propagating Reaction–Diffusion Fronts on doi website

2

Authors:

Anna Michrowska, Michał Bieniek, Mikhail Kim, Rafał Klajn, Karol Grela

Cross-metathesis reaction of vinyl sulfones and sulfoxides

Published on

Tetrahedron 2003, 59, 4525–4531

Picture of publication: Cross-metathesis reaction of vinyl sulfones and sulfoxides

The reactivity of α,β-unsaturated sulfones and sulfoxides in the olefin cross-metathesis reaction is reported.

Go to publication Cross-metathesis reaction of vinyl sulfones and sulfoxides on doi website

1

Authors:

Mieczysław Mąkosza, Jacek Przyborowski, Rafał Klajn, Andrzej Kwast

Simple Synthesis of 2-Substituted Tetrahydrofuran-3-carbonitriles

Published on

Synlett 2000, 12, 1773–1774

Picture of publication: Simple Synthesis of 2-Substituted Tetrahydrofuran-3-carbonitriles

Reaction of 4-chlorobutyronitrile with nonenolisable aldehydes under liquid/liquid phase transfer catalysis conditions leads, via an addition-cyclisation reaction sequence, to tetrahydrofuran-3-carbonitrile derivatives.

Go to publication Simple Synthesis of 2-Substituted Tetrahydrofuran-3-carbonitriles on doi website

Ternary host-guest complexes with rapid exchange kinetics and photoswitchable fluorescence

Electron catalysis expands the supramolecular chemist’s toolbox

Encapsulation within a coordination cage modulates the reactivity of redox-active dyes

Polarization-sensitive optoionic membranes from chiral plasmonic nanoparticles

Coexistence of 1:1 and 2:1 inclusion complexes of indigo carmine

Self-Complementary Zwitterionic Peptides Direct Nanoparticle Assembly and Enable Enzymatic Selection of Endocytic Pathways

Electrostatic co-assembly of nanoparticles with oppositely charged small molecules into static and dynamic superstructures

Morphology control in crystalline nanoparticle–polymer aggregates

Dissipative Self-Assembly: Fueling with Chemicals vs. Light

Light-Responsive Dynamic DNA-Origami-Based Plasmonic Assemblies

Modulating the Optical Properties of BODIPY Dyes by Noncovalent Dimerization within a Flexible Coordination Cage

Molecular Photoswitching in Confined Spaces

Improving Fatigue Resistance of Dihydropyrene by Encapsulation within a Coordination Cage

Chemical reactivity under nanoconfinement

Molecular Factors Controlling the Isomerization of Azobenzenes in the Cavity of a Flexible Coordination Cage

Light-Driven Proton Transfer for Cyclic and Temporal Switching of Enzymatic Nanoreactors

SQUID-on-tip with single-electron spin sensitivity for high-field and ultra-low temperature nanomagnetic imaging

The Many Ways to Assemble Nanoparticles using Light

Polysilsesquioxane Nanowire Networks as an “Artificial Solvent” for Reversible Operation of Photochromic Molecules

Reversible switching of arylazopyrazole within a metal–organic cage

Diamond Grows Up

Stimuli-responsive self-assembly of nanoparticles

Supramolecular Control of Azobenzene Switching on Nanoparticles

Reversible photoswitching of encapsulated azobenzenes in water

“Precipitation on Nanoparticles”: Attractive Intermolecular Interactions Stabilize Specific Ligand Ratios on the Surfaces of Nanoparticles

Reversible chromism of spiropyran in the cavity of a flexible coordination cage

Dissipative Self-Assembly Driven by the Consumption of Chemical Fuels

Integrating Macromolecules with Molecular Switches

Out-of-Equilibrium Aggregates and Coatings during Seeded Growth of Metallic Nanoparticles

Tunable porous nanoallotropes prepared by post-assembly etching of binary nanoparticle superlattices

Clathrates grow up

Chemical systems out of equilibrium

Irreversible Bleaching of Donor–Acceptor Stenhouse Adducts on the Surfaces of Magnetite Nanoparticles

Controlling the lifetimes of dynamic nanoparticle aggregates by spiropyran functionalization

Differing Isomerization Kinetics of Azobenzene-Functionalized Self-Assembled Monolayers in Ambient Air and in Vacuum

Aqueous Light-Controlled Self-Assembly of Nanoparticles

Borrowing titania’s photoinduced electrons for molecular switching

Reversible Photoisomerization of Spiropyran on the Surfaces of Au25 Nanoclusters

Noncovalent Interactions with Proteins Modify the Physicochemical Properties of a Molecular Switch

Reversible occlusion and reaction acceleration within dynamically self-assembling nanoflasks

Light-controlled self-assembly of non-photoresponsive nanoparticles

Orthogonal Light-Induced Self-Assembly of Nanoparticles using Differently Substituted Azobenzenes

Magnetic field-induced self-assembly of iron oxide nanocubes

Dual-responsive nanoparticles that aggregate under the simultaneous action of light and CO2

Tailoring the Properties of Surface-Immobilized Azobenzenes by Monolayer Dilution and Surface Curvature

Watching Single Molecules Move in Response to Light

Cyclic Kinetics during Thermal Equilibration of an Axially Chiral Bis-Spiropyran

Self-assembly of magnetite nanocubes into helical superstructures

Nanoporous frameworks exhibiting multiple stimuli responsiveness

Support Curvature and Conformational Freedom Control Chemical Reactivity of Immobilized Species

Spiropyran-based dynamic materials

Photocontrol of Electrical Conductance with a Nonsymmetrical Azobenzene Dithiol

Dual-Responsive Nanoparticles and their Self-Assembly

Dynamically Self-Assembling Carriers Enable Guiding of Diamagnetic Particles by Weak Magnets

Metallic Nanobowls by Galvanic Replacement Reaction on Heterodimeric Nanoparticles

Immobilized azobenzenes for the construction of photoresponsive materials

Nanoparticles functionalised with molecular and supramolecular switches

Nanoparticles That "Remember" Temperature

Molecular-Mechanical Switching at the Nanoparticle–Solvent Interface: Practice and Theory

Dynamic hook-and-eye nanoparticle sponges

Mechanofabrication of Pancake and Rodlike Nanostructures from Deformable Nanoparticles Aggregates

Assembly of Polygonal Clusters Directed by Reversible Noncovalent Bonding Interactions

Writing Self-Erasing Images using Metastable Nanoparticle “Inks”

Photoconductance and inverse photoconductance in thin films of functionalized metal nanoparticles

“Remote” Fabrication via Three-Dimensional Reaction-Diffusion: Making Complex Core-and-Shell Particles and Assembling Them into Open-Lattice Crystals

Metal Nanoparticles Functionalized with Molecular and Supramolecular Switches

A Bistable Poly[2]catenane Forms Nanosuperstructures

Synthesis, Shape Control, and Optical Properties of Hybrid Fe3O4-Au “Nanoflowers”

Bulk Synthesis and Surface Patterning of Nanoporous Metals and Alloys from Supraspherical Nanoparticle Aggregates

Synthesis of Heterodimeric Sphere–Prism Nanostructures via Metastable Gold Supraspheres

Plastic and Moldable Metals by Self-Assembly of Sticky Nanoparticle Aggregates

Light-controlled self-assembly of reversible and irreversible nanoparticle suprastructures

Multilevel Surface Nano- and Microstructuring via Sequential Photoswelling of Dichromated Gelatin

Ionic-like Behavior of Oppositely Charged Nanoparticles

The Core and Most Useful Molecules in Organic Chemistry

Principles and Implementations of Dissipative (Dynamic) Self-Assembly

Cutting into Solids with Micropatterned Gels

One-Step Multilevel Microfabrication by Reaction–Diffusion

Applications, Properties, and Synthesis of ω-Functionalized n-Alkanethiols and Disulfides – the Building Blocks of Self-Assembled Monolayers

Multicolour micropatterning of thin films of dry gels

Reversible Photoisomerization of Spiropyran on the Surfaces of Au₂₅ Nanoclusters

Dual-responsive nanoparticles that aggregate under the simultaneous action of light and CO₂

Synthesis, Shape Control, and Optical Properties of Hybrid Fe₃O₄-Au “Nanoflowers”