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中文摘要：
采用溶胶一凝胶法制备Zn2＋掺杂BiFeO3光催化剂，利用XRD、SEM、UV-Vis DRS以及PPMS等分析技术对其进行表征，以甲基橙溶液为降解物，考察了Zn^2＋：BiFeO3的可见光光催化活性。结果表明：当Zn^2＋的掺杂量为1％（质量分数）时能有效提高BiFe03的催化活性，可见光辐照10h后甲基橙溶液的脱色率达47．3％。
英文摘要：
Zn2＋ doped BiFeO3 powders were prepared by sol-gel method, and characterized by XRD, SEM, UV-Vis DRS and PPMS. The photocatalytic properties of the Zn2＋ ： BiFeO3 samples were evaluated by the degrada tion of methyl orange under visible light irradiation. The results show that Zn2＋ doping greatly enhanced the photocatalytic activity of BiFeO3 powder, the optimum amount of Zn2＋ doping is ahout 1% with 47.3% of discoloration rate of methyl orange under visible light irraidiation for 10 h.
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