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g-C3N4/Ag2O复合光催化剂的制备及其近红外光催化性能

Journal of Wuhan University of Science and Technology(Natural Science Edition)(2021)

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Abstract
通过简易化学合成法制备了g-C3 N4/Ag2 O p-n异质结复合光催化剂,利用XRD、XPS、SEM、TEM、DRS等对所制复合材料的物相结构、微观形貌及光学性质进行表征,借助近红外光下催化降解罗丹明B(RhB)试验评价其光催化活性,重点探讨了g-C3 N4/Ag2 O p-n异质结复合材料的光催化降解机理.结果表明,当g-C3 N4、Ag2 O质量比为1:16时,所制g-C3 N4/Ag2 O复合光催化剂具有最佳的近红外光催化性能且活性稳定;h+和·O-2活性自由基在近红外光催化降解过程中发挥了主要作用.
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