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Materials 2009, 2(4), 2188-2215; doi:10.3390/ma2042188

Nanoporous Gold: Fabrication, Characterization, and Applications

1
Center for Engineering in Medicine, Department of Surgery, Harvard Medical School, Massachusetts General Hospital, Shriners Hospitals for Children, Boston, MA 02114, USA
2
Department of Electrical and Computer Engineering, University of Virginia, Charlottesville, VA 22904, USA
3
Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, VA 22904, USA
4
Department of Materials Science and Engineering, University of Virginia, Charlottesville, VA 22904, USA
*
Author to whom correspondence should be addressed.
Received: 27 October 2009 / Revised: 29 November 2009 / Accepted: 2 December 2009 / Published: 3 December 2009
(This article belongs to the Special Issue Porous Materials)
View Full-Text   |   Download PDF [2295 KB, uploaded 3 December 2009]   |  

Abstract

Nanoporous gold (np-Au) has intriguing material properties that offer potential benefits for many applications due to its high specific surface area, well-characterized thiol-gold surface chemistry, high electrical conductivity, and reduced stiffness. The research on np-Au has taken place on various fronts, including advanced microfabrication and characterization techniques to probe unusual nanoscale properties and applications spanning from fuel cells to electrochemical sensors. Here, we provide a review of the recent advances in np-Au research, with special emphasis on microfabrication and characterization techniques. We conclude the paper with a brief outline of challenges to overcome in the study of nanoporous metals. View Full-Text
Keywords: nanoporous; gold; microfabrication; characterization; surface area; morphology; MEMS; catalyst; sensor; gold-silver alloy nanoporous; gold; microfabrication; characterization; surface area; morphology; MEMS; catalyst; sensor; gold-silver alloy
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Seker, E.; Reed, M.L.; Begley, M.R. Nanoporous Gold: Fabrication, Characterization, and Applications. Materials 2009, 2, 2188-2215.

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