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Block Copolymer Directed Nanoporous Metal Thin Films

✍ Scribed by Hitesh Arora; Zihui Li; Hiroaki Sai; Marleen Kamperman; Scott C. Warren; Ulrich Wiesner

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 537 KB
Volume: 31
Category: Article
ISSN: 1022-1336
DOI: 10.1002/marc.201000275

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✦ Synopsis

Abstract

Porous metal thin films have high potential for use in applications such as catalysis, electrical contacts, plasmonics, as well as energy storage and conversion. Structuring metal thin films on the nanoscale to generate high surface areas poses an interesting challenge as metals have high surface energy. In this communication, we demonstrate direct access to nanostructured metal nanoparticle hybrid thin films with high nanoparticle loadings through spin coating of a mixture of block copolymer and ligand stabilized platinum and palladium nanoparticles. Plasma cleaning to remove the organics results in a conductive metal thin film. We expect that the methods described here can be generalized to other metals, mixtures of metal nanoparticles, and intermetallics.

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