光催化
纳米复合材料
光热治疗
材料科学
热液循环
光热效应
化学工程
纳米技术
兴奋剂
亚甲蓝
降级(电信)
催化作用
化学
光电子学
有机化学
工程类
电信
计算机科学
作者
Sheng Wang,Guiye Shan,Tianshu Wang,Yin Dong-mei,Yanwei Chen
标识
DOI:10.1016/j.jallcom.2020.158591
摘要
The fabrication of synergetic photocatalytic-photothermal system is desirable to deal with pollution problems. Ag-doped CuS (Cu1−xAgxS) nanocomposites were prepared via one-step hydrothermal method. The Cu1−xAgxS nanocomposites exhibit photocatalytic behavior and photothermal effect on photoexcitations. The degradation of methylene blue under visible light irradiation demonstrated the photocatalytic ability of Cu1−xAgxS nanocomposites. The photocatalytic efficiency can be changed by adjusting the amount of silver in the CuS nanocrystals. Meanwhile, Ag+ can also modulate the photothermal effect. The photothermal effect of Cu1−xAgxS nanocomposites may further enhance their photocatalytic efficiency. Among them, Cu0.75Ag0.5S nanocomposites showed particularly excellent photocatalytic activity with photocatalytic rate constant of 0.084. This provides a new opportunity for solving organic pollutants.
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