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Nanoparticle assembly by confinement in wrinkles : experiment and simulations

Title data

Schweikart, Alexandra ; Fortini, Andrea ; Wittemann, Alexander ; Schmidt, Matthias ; Fery, Andreas:
Nanoparticle assembly by confinement in wrinkles : experiment and simulations.
In: Soft Matter. Vol. 6 (2010) Issue 23 . - pp. 5860-5863.
ISSN 1744-6848
DOI: https://doi.org/10.1039/c0sm00744g

Official URL: Volltext

Abstract in another language

We created hierarchically ordered structures of nanoparticles on smooth planar hydrophilic substrates by drying colloidal dispersions in confinement under macroscopic stamps with microscopically wrinkled surfaces. Experiments were carried out with model nanoparticle suspensions that possess high colloidal stability and mono-dispersity. The structures ranged from single parallel lines of particles to arrays of dense prismatic ridges. The type of observed structure could be controlled by the particle concentration in the initial dispersion. Confinement between two crossed stamps led to interconnected meshes of particles. The precise morphology could be predicted in all cases by Monte Carlo computer simulations of confined hard spheres. Our findings open up possibilities for versatile nanoparticle assembly on surfaces.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 08 Dec 2014 11:19
Last Modified: 08 Dec 2014 11:19
URI: https://eref.uni-bayreuth.de/id/eprint/3988