Photocatalysis of Au25-modified TiO2 under visible and near infrared light |
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| Authors: | Atsushi Kogo Nobuyuki Sakai Tetsu Tatsuma |
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| Institution: | 1. Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan;2. PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan |
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| Abstract: | Visible light-driven photocatalysis of Au25-modified TiO2 was investigated. It induces oxidation of phenol derivates and ferrocyanide and reduction of Ag+, Cu2+ and dissolved oxygen. Thermodynamically uphill reactions such as oxidation of phenol accompanied by reduction of Cu2+ are also driven. The photocatalysis, which is based on the excitation of Au25, is observed even under 860 nm light. |
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