Time-Resolved Resonant Raman Spectroscopy of the Photoinduced Electron Transfer from Ruthenium(II) Trisbipyridine to Methyl Viologen,The Journal of Physical Chemistry A

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Time-Resolved Resonant Raman Spectroscopy of the Photoinduced Electron Transfer from Ruthenium(II) Trisbipyridine to Methyl Viologen
The Journal of Physical Chemistry A ( IF 2.7 ) Pub Date : 2020-03-30 , DOI: 10.1021/acs.jpca.9b10949
Mark Hammonds ₁ , Thu-Trang Tran ₂ , Yen Hoang Hai Tran ₁ , Minh-Huong Ha-Thi ₁ , Thomas Pino ₁

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We report the first time-resolved resonant Raman (TR3) spectra of photoinduced charge transfer from [Ru(bpy)₃]²⁺ to methyl viologen, with observations of vibrational structure. The presence of singly charged methyl viologen in solution is noted by the appearance of several spectroscopic lines, which are visible in the spectra following subtraction of reagent molecules. Assignments are confirmed using both density functional theory (DFT) calculations and literature values and are shown to be consistent with transient absorption spectroscopy data. This presents proof-of-concept for the application of TR3 in mechanistic studies of photocatalytic systems.

中文翻译：

时间分辨共振拉曼光谱从三（Trisbipyridine）钌到甲基紫精的光诱导电子转移

我们报告了从[Ru（bpy）₃ ] ²⁺到甲基紫精的光诱导电荷转移的第一时间分辨共振拉曼光谱（TR3），并观察了振动结构。溶液中单电荷的甲基紫精的存在是由几条光谱线的出现所引起的，这些光谱线在减去试剂分子后在光谱中可见。分配使用密度泛函理论（DFT）计算和文献值进行确认，并显示与瞬态吸收光谱数据一致。这为TR3在光催化系统机理研究中的应用提供了概念验证。

更新日期：2020-03-30

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