Photoinduced one-electron reduction of MV2+ in titania nanosheets using porphyrin in mesoporous silica thin films.

Photoinduced one-electron reduction of MV2+ in titania nanosheets using porphyrin in mesoporous silica thin films.
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DOI：
10.1021/la047385
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发表时间：
2005-02
期刊：
Langmuir : the ACS journal of surfaces and colloids
影响因子：
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通讯作者：
Tatsuto Yui;Takako Tsuchino;T. Itoh;M. Ogawa;Y. Fukushima;K. Takagi
Tatsuto Yui;Takako Tsuchino;T. Itoh;M. Ogawa;Y. Fukushima;K. Takagi
中科院分区：
其他
文献类型：
--
作者：
Tatsuto Yui;Takako Tsuchino;T. Itoh;M. Ogawa;Y. Fukushima;K. Takagi

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合成了meso-（四甲基吡啶）卟啉（TMPyP）杂化物与介孔二氧化硅（MPS）的复合膜，并将其浇铸在甲基紫精（MV 2+）/二氧化钛纳米片杂化物上，观察到两者之间的光诱导电荷分离.这些复合薄膜能够引发MV 2+离子的单电子还原，同时伴随着中孔二氧化硅通道内的TMPyP有机染料的分解。
Composite films of a meso-(tetramethylpyridinium)porphyrin (TMPyP) hybrid incorporated in mesoporous silica (MPS) and cast on a methyl viologen (MV2+)/titania nanosheet hybrid were synthesized and a light-induced charge separation between the two could be observed. These composite thin films were able to initiate a one-electron reduction of the MV2+ ions accompanied by the simultaneous decomposition of the TMPyP organic dye within the mesoporous silica channels.