Effect of residual silver on surface-enhanced raman scattering of dealloyed nanoporous gold

Ling Zhang, Luyang Chen, Hongwen Liu, Ying Hou, Akihiko Hirata, Takeshi Fujita, Mingwei Chen

研究成果: Article査読

55 被引用数 (Scopus)

抄録

Nanoporous gold films containing various amounts of residual silver have been synthesized by controllable dealloying and subsequent annealing for surface-enhanced Raman scattering (SERS). It was found that the residual Ag plays an important role in the SERS effect of dealloyed nanoporous gold. More residual Ag gives rise to better SERS effects when nanopore sizes are nearly identical. Moreover, homogenization of the residual silver by annealing can further improve the SERS enhancement of nanoporous Au-Ag alloys.

本文言語English
ページ(範囲)19583-19587
ページ数5
ジャーナルJournal of Physical Chemistry C
115
40
DOI
出版ステータスPublished - 2011 10 13
外部発表はい

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

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