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The effets of additional metal ions (Zn2+¡¢Cu2+¡¢Fe3+¡¢Ag+) and its concentrations to photocatalytic performance in the process of photocatalytic degradation of methyl orange by using Ag3PO4 were systematically investigated in this paper due to the preparation of Ag3PO4 visible light photocatalyst based on direct precipitation method. The results showed that, in various kinds metal ions, Cu2+ and Zn2+ had reduced the photocatalytic performance of methyl orange degraded, while Fe3+ and Ag+ had increased the photocatalytic performance, moreover, when the concentration of Fe3+ and Ag+ were 2.03mg and 22.5mg separately, it would obtain the best effect of Ag3PO4 photocatalytic degradation. Therefore, it would has different effects for different kinds of metal ions to Ag3PO4 photocatalytic degradation. |

2Â¥2015-05-26 14:40:46













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