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Photo-induced degradation of Ru(ll) complex absorbed on anatase Ti0_2 thin film electrode

机译:光诱导降解锐钛矿型Ti0_2薄膜电极上的Ru(II)络合物

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摘要

Photo-induced degradation of a monolayer of Ru(ll) complex absorbed on anatase TiO_2 thin film wasstudied by using resonant micro-Raman spectroscopy. Under intense light radiation of a laser and inthe absence of a reducing agent, the dye decomposed quickly. When the dye-sensitized TiO_2 thin filmelectrode was covered by a reducing agent, namely the l~-/l_3~- redox couple, the photo-induced decomposing rate was slowed by a factor of approx10~6. In both cases, the dye decomposed with time under anexponential law.
机译:利用共振微拉曼光谱研究了锐钛矿型TiO_2薄膜上Ru(II)配合物单层的光诱导降解。在激光的强光辐射下并且在没有还原剂的情况下,染料会迅速分解。当染料敏化的TiO_2薄膜电极被还原剂覆盖,即l〜-/ l_3〜-氧化还原对时,光致分解速率降低了大约10〜6倍。在两种情况下,染料均会随着时间的流逝而分解。

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