Nanoporous gold: Fabrication, characterization, and applications

Erkin Seker, Michael L. Reed, Matthew R. Begley

Research output: Contribution to journalReview article

161 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)2188-2215
Number of pages28
JournalMaterials
Volume2
Issue number4
DOIs
StatePublished - Dec 1 2009
Externally publishedYes

Keywords

  • Catalyst
  • Characterization
  • Gold
  • Gold-silver alloy
  • Mems
  • Microfabrication
  • Morphology
  • Nanoporous
  • Sensor
  • Surface area

ASJC Scopus subject areas

  • Materials Science(all)

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