Redox-induced orientation change of a self-assembled monolayer of 11-ferrocenyl-1-undecanethiol on a gold electrode studied by in situ FT-IRRAS

Shen Ye, Yukari Sato, Kohei Uosaki

研究成果: Article査読

118 被引用数 (Scopus)

抄録

The potential dependent structure change of a self-assembled monolayer of 11-ferrocenyl- 1-undecanethiol (FcC11SH) on a gold electrode surface during the redox reaction of the terminal ferrocene group was investigated in 0.1 M HClO4 solution by electrochemical in situ Fourier transform infrared reflection absorption spectroscopy (FT-IRRAS). A number of bands were observed in the 3200-1200 cm-1 region with p-polarization measurement, but no band was observed by s-polarization measurement when the potential was kept more negative than +1.2 V. The intensity of these bands corresponded well to the degree of oxidation of the terminal ferrocene group in the monolayer. The potential dependent IRRAS behavior can be explained by considering an orientation change of the monolayer induced by the redox reaction of the terminal ferrocene moiety in the monolayer.

本文言語English
ページ(範囲)3157-3161
ページ数5
ジャーナルLangmuir
13
12
DOI
出版ステータスPublished - 1997 6 11
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 表面および界面
  • 分光学
  • 電気化学

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