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Soft lithography-mediated microscale patterning of silica on diverse substrates

Published online by Cambridge University Press:  31 January 2011

Randall Butler
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, Columbus, Ohio 43210
Derek Hansford*
Affiliation:
Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio 43210
Rajesh Naik
Affiliation:
Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright Patterson Air Force Base, Ohio 45433
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

We have developed a soft lithography-based process to create microscale patterns of silica on a diverse array of substrates. A sacrificial polymer layer was first patterned using a micromolding technique. A peptide was adsorbed on the substrate and the sacrificial layer was removed. The patterned peptide template then catalyzed the deposition of silica from a silicic acid solution. With this procedure, we have created both continuous and discontinuous silica patterns on metallic, ceramic, and polymer substrates.

Type
Articles
Copyright
Copyright © Materials Research Society 2009

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