X-ray induced photocurrents at the metal/solution interface

Yuriy V. Tolmachev*, In Tae Bae, Daniel Alberto Scherson

*この研究の対応する著者

研究成果: Article査読

1 被引用数 (Scopus)

抄録

A technique is herein described for the acquisition of X-ray absorption spectra of electrodes fully immersed in an electrolyte solution by monitoring the energy dependence of X-ray induced photocurrents. This novel strategy made it possible to obtain in situ Au LIII-edge X-ray absorption spectra of solid Au electrodes displaying virtually identical features to those recorded simultaneously via X-ray fluorescence. The dependence of the X-ray induced photocurrents on chopping frequency and electrode potential was found to be consistent with a temperature modulation of the rate of the interfacial electron transfer (faradaic heating currents), rather than electron photoemission, as the primary source of the observed effects.

本文言語English
ページ(範囲)7663-7667
ページ数5
ジャーナルJournal of Physical Chemistry B
104
32
出版ステータスPublished - 2000 8 17
外部発表はい

ASJC Scopus subject areas

  • 物理化学および理論化学
  • 表面、皮膜および薄膜
  • 材料化学

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