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Controlling Pattern Formation in Nanoparticle Assemblies via Directed Solvent Dewetting

Martin, CP; Blunt, MO; Pauliac-Vaujour, E; Stannard, A; Moriarty, P; Vancea, I; Thiele, U

Authors

CP Martin

MO Blunt

E Pauliac-Vaujour

A Stannard

P Moriarty

I Vancea

U Thiele



Abstract

We have achieved highly localised control of pattern formation in two dimensional nanoparticle assemblies by direct modification of solvent dewetting dynamics. A striking dependence of nanoparticle organisation on the size of atomic force microscope-generated surface heterogeneities is observed and reproduced in numerical simulations. Nanoscale features induce rupture of the solvent-nanoparticle film, causing the local flow of solvent to carry nanoparticles into confinement. Microscale heterogeneities instead slow the evaporation of the solvent, producing a remarkably abrupt interface
between different nanoparticle patterns.

Journal Article Type Article
Publication Date Sep 1, 2007
Journal Physical Review Letters
Print ISSN 0031-9007
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 99
APA6 Citation Martin, C., Blunt, M., Pauliac-Vaujour, E., Stannard, A., Moriarty, P., Vancea, I., & Thiele, U. (2007). Controlling Pattern Formation in Nanoparticle Assemblies via Directed Solvent Dewetting. Physical Review Letters, 99,
Keywords nanoparticles; self-assembly; self-organisation; dewetting; nanostructures; pattern formation
Publisher URL http://scitation.aip.org
Related Public URLs http://www.nottingham.ac.uk/physics/research/nano
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information Copyright of American Physical Society

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf


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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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