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求翻译 本文采用直接沉淀法制备了Ag3PO4可见光光催化剂,系统的研究了Ag3PO4光降解甲基橙过程中外加金属离子（Zn2+、Cu2+、Fe3+、Ag+）以及金属离子浓度对光催化性能的影响。结果显示，在各种金属离子中，Cu2+,Zn2+降低了Ag3PO4降解甲基橙的光催化性能，而Fe3+、Ag+则提高了Ag3PO4的光催化性能；且当Fe3+用量为2.03mg时，其对Ag3PO4光降解性能的提高效果最佳，当Ag+用量为22.5mg时，其对Ag3PO4光降解性能的提高效果最佳。因此金属离子对Ag3PO4的光催化性能有不同的影响。 |
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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. |
2楼2015-05-26 14:40:46
3楼2015-10-21 15:14:24