光催化
材料科学
可见光谱
热液循环
兴奋剂
降级(电信)
光化学
分解
辐照
光降解
钼
光电子学
化学工程
催化作用
化学
有机化学
工程类
核物理学
冶金
物理
电信
计算机科学
作者
Mengfei Lu,Qiaoqiao Li,Chengliang Zhang,Xiaoxing Fan,Haifeng Shi
出处
期刊:International Journal of Modern Physics B
[World Scientific]
日期:2019-09-20
卷期号:33 (23): 1950270-1950270
被引量:3
标识
DOI:10.1142/s0217979219502709
摘要
In this study, a series of molybdenum-doped ultrathin BiVO 4 nanosheets (Mo-BVO) were successfully synthesized by a facile hydrothermal method. The results indicated that Mo-BVO nanosheets exhibited high photocatalytic efficiency of methyl blue (MB) degradation under visible-light irradiation. Particularly, 1% Mo-BVO exhibited an optimum photo-degradation rate of more than 97% within 60 min under visible-light illumination, which was approximately 3.8 times greater than that of pure BVO. The experimental characterizations and DFT calculations manifested that the ultrathin BVO nanosheets and Mo doping were beneficial to provide abundant active sites, suppress the photoinduced charge recombination and extend the absorption visible-light range, thus enhancing the photocatalytic performance toward MB degradation. Additionally, the photocatalytic reaction mechanism was proposed based on the reactive species trapping experiments. This study was expected to design a highly active photocatalyst for pollution decomposition by modulating the photocatalytic properties and electronic band structure.
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