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Preparation of arrays of isolated spherical cavities by self-assembly of polystyrene spheres on self-assembled pre-patterned macroporous films

Abdelsalam, M.E., Bartlett, P.N., Baumberg, J.J. and Coyle, S (2004) Preparation of arrays of isolated spherical cavities by self-assembly of polystyrene spheres on self-assembled pre-patterned macroporous films Advanced Materials, 16, (1), pp. 90-93. (doi:10.1002/adma.200306052).

Record type: Article

Abstract

Self-assembly of colloidal spheres onto patterned (e.g., lithographically modified [1]) substrates is a promising approach to prepare complex 3D geometries (e.g., assemble colloidal spheres into square pyramidal shapes[2]) that can not be produced by self-assembly of colloidal spheres on flat substrates. Generally self-assembly alone is restricted to the formation of close-packed 2D and 3D arrays of colloidal particles and does not lead to more complex lattice types and geometries. A certain degree of control over colloidal self-assembly has been achieved through external electric[3] or intense optical fields[4] and by manipulating the interaction potential[5]. Here we demonstrate a simple scheme that combines two self-assembly steps and electrochemical deposition to produce patterns of ordered arrays of spheres with controlled spacing and eventually isolated metallic arrays of spherical cavities.

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Published date: 2004
Keywords: liquid-fluid interface, 2-dimensional arrays, colloidal particles, optical-properties, crystallization, lithography, monolayers, crystals

Identifiers

Local EPrints ID: 17436
URI: http://eprints.soton.ac.uk/id/eprint/17436
ISSN: 1521-4095
PURE UUID: c1508f3b-7d21-4355-8c58-283a3ebdca33
ORCID for P.N. Bartlett: ORCID iD orcid.org/0000-0002-7300-6900

Catalogue record

Date deposited: 19 Sep 2005
Last modified: 17 Jul 2017 16:38

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Contributors

Author: M.E. Abdelsalam
Author: P.N. Bartlett ORCID iD
Author: J.J. Baumberg
Author: S Coyle

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