Nanoparticle assembly by confinement in wrinkles : experiment and simulations

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2010
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Schweikart, Alexandra
Fortini, Andrea
Schmidt, Matthias
Fery, Andreas
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Soft Matter. 2010, 6(23), pp. 5860-5863. ISSN 1744-683X. Available under: doi: 10.1039/C0SM00744G
Zusammenfassung

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 monodispersity. 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.

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ISO 690SCHWEIKART, Alexandra, Andrea FORTINI, Alexander WITTEMANN, Matthias SCHMIDT, Andreas FERY, 2010. Nanoparticle assembly by confinement in wrinkles : experiment and simulations. In: Soft Matter. 2010, 6(23), pp. 5860-5863. ISSN 1744-683X. Available under: doi: 10.1039/C0SM00744G
BibTex
@article{Schweikart2010Nanop-20186,
  year={2010},
  doi={10.1039/C0SM00744G},
  title={Nanoparticle assembly by confinement in wrinkles : experiment and simulations},
  number={23},
  volume={6},
  issn={1744-683X},
  journal={Soft Matter},
  pages={5860--5863},
  author={Schweikart, Alexandra and Fortini, Andrea and Wittemann, Alexander and Schmidt, Matthias and Fery, Andreas}
}
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