Photoinduced hole transfer from titanium dioxide to methanol molecules in aqueous solution studied by electron paramagnetic resonance

…, KR Cromack, A Trifunac D, M Thurnauer

文献索引：Micic, Olga I.; Zhang, Yuenian; Cromack, Keith R.; Trifunac, Alexander D.; Thurnauer, Marion C. Journal of Physical Chemistry, 1993 , vol. 97, p. 13284 - 13288

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被引用次数: 8

摘要

An electron paramagnetic resonance (EPR) study is reported on the paramagnetic species formed on irradiation of aqueous Ti02 colloids in the presence of methanol. In laser (308 nm) irradiated aqueous solution of methanol at 1.9 K, the observed EPR signals are centered around g= 2 and have a line shape characteristic of the CHIOH radical. The appearance of these radicals at the very low temperature of 1.9 K implicates charge ...