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Visible light induced photocatalytic reaction of rhodamine B dye via 12-tungstosilicic acid in water |
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| Authors: | Chuncheng?Chen Jingyi?Li Wei?Zhao |
| Institution: | 1. Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China 2. Department of Chemistry, Zhejiang University, Hangzhou 310027, China |
| Abstract: | Using 12-tungstosilicic acid (SiW124-) as the catalyst, rhodamine B (RhB) dye in an aerated aqueous solution can undergo an effective photocatalytic stepwise N-deethylation process under visible light irradiation, and dioxygen is reduced to hydrogen peroxide by the reduced SiW12 4-. This provides the potential for moving polyoxometalate-based photocatalytic processes from the near-UV into the visible region of the spectrum. |
| Keywords: | photocatalysis polyoxometalates 12-tungstosillcic acid rhodamine B N-deethylation |
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