Communication

Block Copolymer Directed Nanoporous Metal Thin Films

  1. Hitesh Arora1,2,4,
  2. Zihui Li1,3,
  3. Hiroaki Sai1,
  4. Marleen Kamperman1,5,
  5. Scott C. Warren1,3,6,
  6. Ulrich Wiesner1,*

Article first published online: 16 AUG 2010

DOI: 10.1002/marc.201000275

Issue

Macromolecular Rapid Communications

Macromolecular Rapid Communications

Volume 31, Issue 22, pages 1960–1964, November 15, 2010

Additional Information

How to Cite

Arora, H., Li, Z., Sai, H., Kamperman, M., Warren, S. C. and Wiesner, U. (2010), Block Copolymer Directed Nanoporous Metal Thin Films. Macromolecular Rapid Communications, 31: 1960–1964. doi: 10.1002/marc.201000275

Author Information

  1. 1

    Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USA

  2. 2

    School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, USA

  3. 3

    Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA

  4. 4

    Current address: Intel Corporation, Chandler, Arizona 85226, USA

  5. 5

    Current address: INM - Leibniz Institute for New Materials, Saarbrücken, Germany

  6. 6

    Current address: Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

*Department of Materials Science and Engineering, Cornell University, Ithaca, NewYork 14853, USA.

Publication History

  1. Issue published online: 9 NOV 2010
  2. Article first published online: 16 AUG 2010
  3. Manuscript Revised: 21 JUN 2010
  4. Manuscript Received: 3 MAY 2010

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Keywords:

  • block copolymers;
  • hybrids;
  • metal nanostructures

Graphical Abstract

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We report on direct access to nanoporous metal thin films using block copolymer self-assembly. Nanostructured metal nanoparticle hybrid thin films with high nanoparticle loadings were generated 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.

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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