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Cu(Ⅱ)-AgNbO3紫外光催化亚甲基蓝脱色性能研究

Keywords: AgNbO3,光催化,Cu(Ⅱ),紫外,光亚甲基蓝

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Abstract:

采用浸渍法制备了Cu(Ⅱ)-AgNbO3光催化剂,并运用XRD、FT-IR、DRS、XPS和SEM对催化剂进行表征和分析。实验以亚甲基蓝为模拟污染物,在紫外光下考察Cu(Ⅱ)掺杂对AgNbO3光催化效果的影响。分析显示,掺杂Cu(Ⅱ)后AgNbO3晶型及表面形貌没有发生变化,但在可见光区的吸光度得到有效提高。光催化脱色结果表明,当Cu(Ⅱ)的掺杂量为2%(质量比),热处理温度为300℃,催化剂用量为1g/L,亚甲基蓝初始浓度为10mg

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