光降解
罗丹明B
碳纳米管
石墨氮化碳
材料科学
光催化
复合数
化学工程
可见光谱
催化作用
降级(电信)
光化学
复合材料
化学
有机化学
光电子学
工程类
电信
计算机科学
作者
Guohong Liu,Menglong Liao,Zhaohan Zhang,Hongyue Wang,Gang Chen,Yujie Feng
标识
DOI:10.1016/j.seppur.2020.116618
摘要
Graphitic carbon nitride (g-C3N4) is a potential photocatalyst due to its narrow bandgap, great stability and low cost. In the present study, g-C3N4 modified with carbon nanotubes (CNTs) was composited by a simple water bath method. The optimal content of CNTs was proved to be 1 wt% in the composite, which showed an enhanced RhB photodegradation efficient. The degradation efficiency for Rhodamine B (RhB) by g-C3N4/CNTs-1 was 98.1% under visible light irradiation, which was 16.2% higher than that by pure g-C3N4. The photodegradation performance improved significantly due to the modification of CNTs, the present of CNTs in the composite was advantageous to the visible light absorption and photogenerated electron-hole separation. The prepared g-C3N4/CNTs composites with higher photocatalytic ability might provide a potential catalyst for wastewater purification.
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