New application of photocatalytic TiO2 nanoparticles on the improved surface-enhanced Raman scattering

Yu Chuan Liu, Chung Chin Yu, Cheng Cai Wang, Lain Chuen Juang

研究成果: 雜誌貢獻文章同行評審

18 引文 斯高帕斯(Scopus)

摘要

We report here the first simultaneous irradiation of UV light on samples in surface-enhanced Raman scattering (SERS) measurements. A roughen gold substrate with TiO2 nanoparticles was prepared by using electrochemical oxidation-reduction cycles (ORC) in 0.1 M HCl aqueous solution containing 1 mM anatase TiO2 nanoparticles. It is encouraging to find that the SERS spectrum, obtaining with the simultaneous irradiation of 4-W UV light on the sample, of polypyrrole (PPy) electrodeposited on the TiO2 nanoparticles-containing roughened gold substrate exhibits an 8-fold higher intensity compared to that without the contribution from the simultaneous irradiation of UV light.

原文英語
頁(從 - 到)245-249
頁數5
期刊Chemical Physics Letters
420
發行號1-3
DOIs
出版狀態已發佈 - 三月 10 2006
對外發佈

ASJC Scopus subject areas

  • 物理與理論化學
  • 光譜
  • 原子與分子物理與光學
  • 表面和介面
  • 凝聚態物理學

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