光催化
罗丹明B
纳米复合材料
衍射仪
材料科学
光降解
紫外线
可见光谱
降级(电信)
核化学
化学工程
扫描电子显微镜
光化学
纳米技术
光电子学
化学
复合材料
催化作用
计算机科学
电信
有机化学
工程类
作者
Hongxia Jing,Yanlin Gao,Long-xiang Li,Xu Wang,Wang-Jun Pei
摘要
Abstract The double Z‐scheme TiO 2 /ZnO‐g‐C 3 N 4 nanophotocatalyst was prepared by sol–gel method and solvothermal method. X‐ray diffractometer, FT‐IR, transmission electron microscopy, energy dispersive X‐ray spectrum, ultraviolet–visible (UV–vis), PL, EIS, and so on were used to characterize the structure, morphology, chemical composition, and optical properties of the prepared photocatalyst. And Rhodamine B (RhB) was used as a simulated organic pollutant to study the photocatalytic performance of the photocatalyst. The experimental results show that the double Z‐scheme TiO 2 /ZnO‐g‐C 3 N 4 nanophotocatalyst exhibits high photocatalytic performance under both ultraviolet light and sunlight, and the RhB in the solution can be completely removed in 120 min. This article also proposes a possible Z‐scheme photocatalytic mechanism to explain the increased photocatalytic activity.
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