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Properties of self-assembled nanostructures: general discussion.

Faraday discussions

Reguera J, Malachosky E, Martin M, Tebbe M, Law B, Isa L, Moehwald H, Liu Y, Bresme F, Ganeshan D, Sorensen C, Ghosh S, Fery A, Král P, Widmer-Cooper A, Graf C, Gallego A, Schiffrin D, Korgel B, Okram G, Sankaranarayanan S, Wang Y, Teranishi T, Salerno KM, McBride S, Lin XM.
PMID: 26149423
Faraday Discuss. 2015;181:365-81. doi: 10.1039/C5FD90042E.

No abstract available.

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Reguera J, Malachosky E, Martin M, et al. Properties of self-assembled nanostructures: general discussion. Faraday Discuss. 2015;181:365-81doi: 10.1039/C5FD90042E.
Reguera, J., Malachosky, E., Martin, M., Tebbe, M., Law, B., Isa, L., Moehwald, H., Liu, Y., Bresme, F., Ganeshan, D., Sorensen, C., Ghosh, S., Fery, A., Král, P., Widmer-Cooper, A., Graf, C., Gallego, A., Schiffrin, D., Korgel, B., Okram, G., Sankaranarayanan, S., Wang, Y., Teranishi, T., Salerno, K. M., McBride, S., & Lin, X. M. (2015). Properties of self-assembled nanostructures: general discussion. Faraday discussions, 181365-81. https://doi.org/10.1039/C5FD90042E
Reguera, Javier, et al. "Properties of self-assembled nanostructures: general discussion." Faraday discussions vol. 181 (2015): 365-81. doi: https://doi.org/10.1039/C5FD90042E
Reguera J, Malachosky E, Martin M, Tebbe M, Law B, Isa L, Moehwald H, Liu Y, Bresme F, Ganeshan D, Sorensen C, Ghosh S, Fery A, Král P, Widmer-Cooper A, Graf C, Gallego A, Schiffrin D, Korgel B, Okram G, Sankaranarayanan S, Wang Y, Teranishi T, Salerno KM, McBride S, Lin XM. Properties of self-assembled nanostructures: general discussion. Faraday Discuss. 2015;181:365-81. doi: 10.1039/C5FD90042E. PMID: 26149423.
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Orientational ordering of passivating ligands on CdS nanorods in solution generates strong rod-rod interactions.

Nano letters

Widmer-Cooper A, Geissler P.
PMID: 24295449
Nano Lett. 2014 Jan 08;14(1):57-65. doi: 10.1021/nl403067p. Epub 2013 Dec 10.

We present the first nearly atomistic molecular dynamics study of nanorod-nanorod association in explicit solvent, showing that inter-rod forces can be dominated by microscopic factors absent in common continuum descriptions. Specifically, we find that alkane ligands on faceted CdS...

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Widmer-Cooper A, Geissler P. Orientational ordering of passivating ligands on CdS nanorods in solution generates strong rod-rod interactions. Nano Lett. 2013;14(1):57-65doi: 10.1021/nl403067p.
Widmer-Cooper, A., & Geissler, P. (2014). Orientational ordering of passivating ligands on CdS nanorods in solution generates strong rod-rod interactions. Nano letters, 14(1), 57-65. https://doi.org/10.1021/nl403067p
Widmer-Cooper, Asaph, and Geissler, Phillip. "Orientational ordering of passivating ligands on CdS nanorods in solution generates strong rod-rod interactions." Nano letters vol. 14,1 (2014): 57-65. doi: https://doi.org/10.1021/nl403067p
Widmer-Cooper A, Geissler P. Orientational ordering of passivating ligands on CdS nanorods in solution generates strong rod-rod interactions. Nano Lett. 2014 Jan 08;14(1):57-65. doi: 10.1021/nl403067p. Epub 2013 Dec 10. PMID: 24295449.
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Microscopic picture of cooperative processes in restructuring gel networks.

Physical review letters

Colombo J, Widmer-Cooper A, Del Gado E.
PMID: 23705744
Phys Rev Lett. 2013 May 10;110(19):198301. doi: 10.1103/PhysRevLett.110.198301. Epub 2013 May 08.

Colloidal gel networks are disordered elastic solids that can form even in extremely dilute particle suspensions. With interaction strengths comparable to the thermal energy, their stress-bearing network can locally restructure via breaking and reforming interparticle bonds. This allows for...

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Colombo J, Widmer-Cooper A, Del Gado E. Microscopic picture of cooperative processes in restructuring gel networks. Phys Rev Lett. 2013;110(19):198301doi: 10.1103/PhysRevLett.110.198301.
Colombo, J., Widmer-Cooper, A., & Del Gado, E. (2013). Microscopic picture of cooperative processes in restructuring gel networks. Physical review letters, 110(19), 198301. https://doi.org/10.1103/PhysRevLett.110.198301
Colombo, Jader, et al. "Microscopic picture of cooperative processes in restructuring gel networks." Physical review letters vol. 110,19 (2013): 198301. doi: https://doi.org/10.1103/PhysRevLett.110.198301
Colombo J, Widmer-Cooper A, Del Gado E. Microscopic picture of cooperative processes in restructuring gel networks. Phys Rev Lett. 2013 May 10;110(19):198301. doi: 10.1103/PhysRevLett.110.198301. Epub 2013 May 08. PMID: 23705744.
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Ligand-Mediated Interactions between Nanoscale Surfaces Depend Sensitively and Nonlinearly on Temperature, Facet Dimensions, and Ligand Coverage.

ACS nano

Widmer-Cooper A, Geissler PL.
PMID: 26756464
ACS Nano. 2016 Feb 23;10(2):1877-87. doi: 10.1021/acsnano.5b05569. Epub 2016 Jan 20.

Nanoparticles are often covered in ligand monolayers, which can undergo a temperature-dependent order-disorder transition that switches the particle-particle interaction from repulsive to attractive in solution. In this work, we examine how changes in the ligand surface coverage and facet...

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Widmer-Cooper A, Geissler PL. Ligand-Mediated Interactions between Nanoscale Surfaces Depend Sensitively and Nonlinearly on Temperature, Facet Dimensions, and Ligand Coverage. ACS Nano. 2016;10(2):1877-87doi: 10.1021/acsnano.5b05569.
Widmer-Cooper, A., & Geissler, P. L. (2016). Ligand-Mediated Interactions between Nanoscale Surfaces Depend Sensitively and Nonlinearly on Temperature, Facet Dimensions, and Ligand Coverage. ACS nano, 10(2), 1877-87. https://doi.org/10.1021/acsnano.5b05569
Widmer-Cooper, Asaph, and Geissler, Phillip L. "Ligand-Mediated Interactions between Nanoscale Surfaces Depend Sensitively and Nonlinearly on Temperature, Facet Dimensions, and Ligand Coverage." ACS nano vol. 10,2 (2016): 1877-87. doi: https://doi.org/10.1021/acsnano.5b05569
Widmer-Cooper A, Geissler PL. Ligand-Mediated Interactions between Nanoscale Surfaces Depend Sensitively and Nonlinearly on Temperature, Facet Dimensions, and Ligand Coverage. ACS Nano. 2016 Feb 23;10(2):1877-87. doi: 10.1021/acsnano.5b05569. Epub 2016 Jan 20. PMID: 26756464.
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Predicting the long-time dynamic heterogeneity in a supercooled liquid on the basis of short-time heterogeneities.

Physical review letters

Widmer-Cooper A, Harrowell P.
PMID: 16712373
Phys Rev Lett. 2006 May 12;96(18):185701. doi: 10.1103/PhysRevLett.96.185701. Epub 2006 May 10.

We report that the local Debye-Waller factor in a simulated 2D glass-forming mixture exhibits significant spatial heterogeneities and that these short-time fluctuations provide an excellent predictor of the spatial distribution of the long-time dynamic propensities. In contrast, the potential...

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Widmer-Cooper A, Harrowell P. Predicting the long-time dynamic heterogeneity in a supercooled liquid on the basis of short-time heterogeneities. Phys Rev Lett. 2006;96(18):185701doi: 10.1103/PhysRevLett.96.185701.
Widmer-Cooper, A., & Harrowell, P. (2006). Predicting the long-time dynamic heterogeneity in a supercooled liquid on the basis of short-time heterogeneities. Physical review letters, 96(18), 185701. https://doi.org/10.1103/PhysRevLett.96.185701
Widmer-Cooper, Asaph, and Harrowell, Peter. "Predicting the long-time dynamic heterogeneity in a supercooled liquid on the basis of short-time heterogeneities." Physical review letters vol. 96,18 (2006): 185701. doi: https://doi.org/10.1103/PhysRevLett.96.185701
Widmer-Cooper A, Harrowell P. Predicting the long-time dynamic heterogeneity in a supercooled liquid on the basis of short-time heterogeneities. Phys Rev Lett. 2006 May 12;96(18):185701. doi: 10.1103/PhysRevLett.96.185701. Epub 2006 May 10. PMID: 16712373.
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Defect-mediated relaxation in the random tiling phase of a binary mixture: birth, death and mobility of an atomic zipper.

The Journal of chemical physics

Tondl E, Ramsay M, Harrowell P, Widmer-Cooper A.
PMID: 24628178
J Chem Phys. 2014 Mar 14;140(10):104503. doi: 10.1063/1.4867388.

This paper describes the mechanism of defect-mediated relaxation in a dodecagonal square-triangle random tiling phase exhibited by a simulated binary mixture of soft discs in 2D. We examine the internal transitions within the elementary mobile defect (christened the "zipper")...

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Tondl E, Ramsay M, Harrowell P, et al. Defect-mediated relaxation in the random tiling phase of a binary mixture: birth, death and mobility of an atomic zipper. J Chem Phys. 2014;140(10):104503doi: 10.1063/1.4867388.
Tondl, E., Ramsay, M., Harrowell, P., & Widmer-Cooper, A. (2014). Defect-mediated relaxation in the random tiling phase of a binary mixture: birth, death and mobility of an atomic zipper. The Journal of chemical physics, 140(10), 104503. https://doi.org/10.1063/1.4867388
Tondl, Elisabeth, et al. "Defect-mediated relaxation in the random tiling phase of a binary mixture: birth, death and mobility of an atomic zipper." The Journal of chemical physics vol. 140,10 (2014): 104503. doi: https://doi.org/10.1063/1.4867388
Tondl E, Ramsay M, Harrowell P, Widmer-Cooper A. Defect-mediated relaxation in the random tiling phase of a binary mixture: birth, death and mobility of an atomic zipper. J Chem Phys. 2014 Mar 14;140(10):104503. doi: 10.1063/1.4867388. PMID: 24628178.
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Structural phases in non-additive soft-disk mixtures: glasses, substitutional order, and random tilings.

The Journal of chemical physics

Widmer-Cooper A, Harrowell P.
PMID: 22168711
J Chem Phys. 2011 Dec 14;135(22):224515. doi: 10.1063/1.3666010.

Relaxation of the additivity condition on the interaction length between unlike species in a binary mixture of soft disks opens up a rich variety of structures in both crystal and amorphous states with an associated diverse range of relaxation...

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Widmer-Cooper A, Harrowell P. Structural phases in non-additive soft-disk mixtures: glasses, substitutional order, and random tilings. J Chem Phys. 2011;135(22):224515doi: 10.1063/1.3666010.
Widmer-Cooper, A., & Harrowell, P. (2011). Structural phases in non-additive soft-disk mixtures: glasses, substitutional order, and random tilings. The Journal of chemical physics, 135(22), 224515. https://doi.org/10.1063/1.3666010
Widmer-Cooper, Asaph, and Harrowell, Peter. "Structural phases in non-additive soft-disk mixtures: glasses, substitutional order, and random tilings." The Journal of chemical physics vol. 135,22 (2011): 224515. doi: https://doi.org/10.1063/1.3666010
Widmer-Cooper A, Harrowell P. Structural phases in non-additive soft-disk mixtures: glasses, substitutional order, and random tilings. J Chem Phys. 2011 Dec 14;135(22):224515. doi: 10.1063/1.3666010. PMID: 22168711.
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A versatile simulation method for studying phase behavior and dynamics in colloidal rod and rod-polymer suspensions.

The Journal of chemical physics

Liu Y, Widmer-Cooper A.
PMID: 31255071
J Chem Phys. 2019 Jun 28;150(24):244508. doi: 10.1063/1.5096193.

Here, we present an implicit-solvent model for dynamic simulations of hard-rod and rod-polymer suspensions. Individual rods are represented by a rigid linear chain consisting of overlapping spheres which interact through a pseudohard-core potential based on the cut-and-shifted Mie (generalized...

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Liu Y, Widmer-Cooper A. A versatile simulation method for studying phase behavior and dynamics in colloidal rod and rod-polymer suspensions. J Chem Phys. 2019;150(24):244508doi: 10.1063/1.5096193.
Liu, Y., & Widmer-Cooper, A. (2019). A versatile simulation method for studying phase behavior and dynamics in colloidal rod and rod-polymer suspensions. The Journal of chemical physics, 150(24), 244508. https://doi.org/10.1063/1.5096193
Liu, Yawei, and Widmer-Cooper, Asaph. "A versatile simulation method for studying phase behavior and dynamics in colloidal rod and rod-polymer suspensions." The Journal of chemical physics vol. 150,24 (2019): 244508. doi: https://doi.org/10.1063/1.5096193
Liu Y, Widmer-Cooper A. A versatile simulation method for studying phase behavior and dynamics in colloidal rod and rod-polymer suspensions. J Chem Phys. 2019 Jun 28;150(24):244508. doi: 10.1063/1.5096193. PMID: 31255071.
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Light-induced reversal of ion segregation in mixed-halide perovskites.

Nature materials

Mao W, Hall CR, Bernardi S, Cheng YB, Widmer-Cooper A, Smith TA, Bach U.
PMID: 33077949
Nat Mater. 2021 Jan;20(1):55-61. doi: 10.1038/s41563-020-00826-y. Epub 2020 Oct 19.

Bandgap instability due to light-induced phase segregation in mixed-halide perovskites presents a major challenge for their future commercial use. Here we demonstrate that photoinduced halide-ion segregation can be completely reversed at sufficiently high illumination intensities, enabling control of the...

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Mao W, Hall CR, Bernardi S, et al. Light-induced reversal of ion segregation in mixed-halide perovskites. Nat Mater. 2020;20(1):55-61doi: 10.1038/s41563-020-00826-y.
Mao, W., Hall, C. R., Bernardi, S., Cheng, Y. B., Widmer-Cooper, A., Smith, T. A., & Bach, U. (2021). Light-induced reversal of ion segregation in mixed-halide perovskites. Nature materials, 20(1), 55-61. https://doi.org/10.1038/s41563-020-00826-y
Mao, Wenxin, et al. "Light-induced reversal of ion segregation in mixed-halide perovskites." Nature materials vol. 20,1 (2021): 55-61. doi: https://doi.org/10.1038/s41563-020-00826-y
Mao W, Hall CR, Bernardi S, Cheng YB, Widmer-Cooper A, Smith TA, Bach U. Light-induced reversal of ion segregation in mixed-halide perovskites. Nat Mater. 2021 Jan;20(1):55-61. doi: 10.1038/s41563-020-00826-y. Epub 2020 Oct 19. PMID: 33077949.
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When Like Destabilizes Like: Inverted Solvent Effects in Apolar Nanoparticle Dispersions.

ACS nano

Monego D, Kister T, Kirkwood N, Doblas D, Mulvaney P, Kraus T, Widmer-Cooper A.
PMID: 32298080
ACS Nano. 2020 May 26;14(5):5278-5287. doi: 10.1021/acsnano.9b03552. Epub 2020 Apr 23.

We report on the colloidal stability of nanoparticles with alkanethiol shells in apolar solvents. Small-angle X-ray scattering and molecular dynamics simulations were used to characterize the interaction between nanoparticles in linear alkane solvents ranging from hexane to hexadecane, including...

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Monego D, Kister T, Kirkwood N, et al. When Like Destabilizes Like: Inverted Solvent Effects in Apolar Nanoparticle Dispersions. ACS Nano. 2020;14(5):5278-5287doi: 10.1021/acsnano.9b03552.
Monego, D., Kister, T., Kirkwood, N., Doblas, D., Mulvaney, P., Kraus, T., & Widmer-Cooper, A. (2020). When Like Destabilizes Like: Inverted Solvent Effects in Apolar Nanoparticle Dispersions. ACS nano, 14(5), 5278-5287. https://doi.org/10.1021/acsnano.9b03552
Monego, Debora, et al. "When Like Destabilizes Like: Inverted Solvent Effects in Apolar Nanoparticle Dispersions." ACS nano vol. 14,5 (2020): 5278-5287. doi: https://doi.org/10.1021/acsnano.9b03552
Monego D, Kister T, Kirkwood N, Doblas D, Mulvaney P, Kraus T, Widmer-Cooper A. When Like Destabilizes Like: Inverted Solvent Effects in Apolar Nanoparticle Dispersions. ACS Nano. 2020 May 26;14(5):5278-5287. doi: 10.1021/acsnano.9b03552. Epub 2020 Apr 23. PMID: 32298080.
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Singlet Fission in Concentrated TIPS-Pentacene Solutions: The Role of Excimers and Aggregates.

Journal of the American Chemical Society

Dvořák M, Prasad SKK, Dover CB, Forest CR, Kaleem A, MacQueen RW, Petty AJ, Forecast R, Beves JE, Anthony JE, Tayebjee MJY, Widmer-Cooper A, Thordarson P, Schmidt TW.
PMID: 34397219
J Am Chem Soc. 2021 Sep 01;143(34):13749-13758. doi: 10.1021/jacs.1c05767. Epub 2021 Aug 16.

The excited-state dynamics of 6,13-bis(triisopropylsilylethynyl)pentacene is investigated to determine the role of excimer and aggregate formation in singlet fission in high-concentration solutions. Photoluminescence spectra were measured by excitation with the evanescent wave in total internal reflection, in order to...

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Dvořák M, Prasad SKK, Dover CB, et al. Singlet Fission in Concentrated TIPS-Pentacene Solutions: The Role of Excimers and Aggregates. J Am Chem Soc. 2021;143(34):13749-13758doi: 10.1021/jacs.1c05767.
Dvořák, M., Prasad, S. K. K., Dover, C. B., Forest, C. R., Kaleem, A., MacQueen, R. W., Petty, A. J., Forecast, R., Beves, J. E., Anthony, J. E., Tayebjee, M. J. Y., Widmer-Cooper, A., Thordarson, P., & Schmidt, T. W. (2021). Singlet Fission in Concentrated TIPS-Pentacene Solutions: The Role of Excimers and Aggregates. Journal of the American Chemical Society, 143(34), 13749-13758. https://doi.org/10.1021/jacs.1c05767
Dvořák, Miroslav, et al. "Singlet Fission in Concentrated TIPS-Pentacene Solutions: The Role of Excimers and Aggregates." Journal of the American Chemical Society vol. 143,34 (2021): 13749-13758. doi: https://doi.org/10.1021/jacs.1c05767
Dvořák M, Prasad SKK, Dover CB, Forest CR, Kaleem A, MacQueen RW, Petty AJ, Forecast R, Beves JE, Anthony JE, Tayebjee MJY, Widmer-Cooper A, Thordarson P, Schmidt TW. Singlet Fission in Concentrated TIPS-Pentacene Solutions: The Role of Excimers and Aggregates. J Am Chem Soc. 2021 Sep 01;143(34):13749-13758. doi: 10.1021/jacs.1c05767. Epub 2021 Aug 16. PMID: 34397219.
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Self-assembly of spherical and rod-shaped nanoparticles with full positional control.

Nanoscale

Lloyd JA, Liu Y, Ng SH, Thai T, Gómez DE, Widmer-Cooper A, Bach U.
PMID: 31755510
Nanoscale. 2019 Dec 21;11(47):22841-22848. doi: 10.1039/c9nr06679a. Epub 2019 Nov 22.

The controlled positioning of spherical gold nanoparticles and gold nanorods upon self-assembly on a substrate is of great interest for the fabrication of tailored plasmonic devices. Here, an electrostatic approach with a sequential two-step assembly protocol is presented as...

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Lloyd JA, Liu Y, Ng SH, et al. Self-assembly of spherical and rod-shaped nanoparticles with full positional control. Nanoscale. 2019;11(47):22841-22848doi: 10.1039/c9nr06679a.
Lloyd, J. A., Liu, Y., Ng, S. H., Thai, T., Gómez, D. E., Widmer-Cooper, A., & Bach, U. (2019). Self-assembly of spherical and rod-shaped nanoparticles with full positional control. Nanoscale, 11(47), 22841-22848. https://doi.org/10.1039/c9nr06679a
Lloyd, Julian A, et al. "Self-assembly of spherical and rod-shaped nanoparticles with full positional control." Nanoscale vol. 11,47 (2019): 22841-22848. doi: https://doi.org/10.1039/c9nr06679a
Lloyd JA, Liu Y, Ng SH, Thai T, Gómez DE, Widmer-Cooper A, Bach U. Self-assembly of spherical and rod-shaped nanoparticles with full positional control. Nanoscale. 2019 Dec 21;11(47):22841-22848. doi: 10.1039/c9nr06679a. Epub 2019 Nov 22. PMID: 31755510.
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Showing 1 to 12 of 28 entries