光催化
石墨烯
材料科学
氮化碳
催化作用
降级(电信)
废水
量子点
化学工程
碳纤维
纳米技术
化学
环境工程
复合材料
有机化学
复合数
环境科学
工程类
电信
计算机科学
作者
Yafang Zhang,Shuning Yang,Linsheng Wei,Xin Zhao,Xiaobo Lu
标识
DOI:10.1080/09593330.2022.2133640
摘要
Photocatalysis is a promising technology for wastewater treatment. It is of great significance to find catalysts with high photoactivity. In this paper, a catalyst with high photocatalytic degradation efficiency to organic wastewater, carbon nitride modified by graphene quantum dots (SCN-GQDX), is prepared by supramolecular self-assembly thermal polycondensation method and doping graphene quantum dots (GQDs). The results show that SCN-GQD0.5 has the best catalytic performance, and its photocatalytic degradation efficiency to organic pollutants can reach 86% and still remains above 83% after five cycles, which shows the modified carbon nitride has high catalytic efficiency and stability. In a word, SCN-GQDX is a highly efficient, non-toxic and stable photocatalyst for organic pollutants in wastewater.
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