Oxidation of adsorbed CO on Pt(111) in CO-saturated perchloric acid aqueous solutions: Simultaneous in situ time-resolved reflectance spectroscopy and second harmonic generation studies

Iosif Fromondi, Daniel Alberto Scherson

研究成果: Article

10 被引用数 (Scopus)

抄録

Simultaneous normalized differential reflectance spectroscopy (ΔR/R) and second harmonic generation (SHG) has been employed to follow, independently, OH and adsorbed CO (COads) on a single Pt(111) microfacet in CO-saturated aqueous perchloric acidic solutions during voltammetric cycles, leading to the oxidation of COads and subsequent readsorption of CO on the surface. The results obtained are consistent with the disruption of the √19 × √19R19.1° phase just prior to the oxidation of adsorbed CO.

本文言語English
ページ(範囲)20749-20751
ページ数3
ジャーナルJournal of Physical Chemistry B
110
42
DOI
出版ステータスPublished - 2006 10 26
外部発表はい

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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