A new insight on the role of CQDs in driving BiOBr into broader -spectrum-response: Dual function of up -conversion and photosensitization effect

被引:11
作者
Wang, Dong [1 ]
Liu, Linlin [2 ]
Wang, Yawen [1 ]
Fan, Caimei [1 ]
Huang, Wei [1 ]
机构
[1] Taiyuan Univ Technol, Coll Chem & Chem Engn, Taiyuan 030024, Peoples R China
[2] Taiyuan Inst Technol, Dept Chem Engn, Taiyuan 030008, Peoples R China
基金
中国国家自然科学基金;
关键词
CQDs; BiOBr; Broad-spectrum-response; Photosensitization; Up-conversion; CARBON QUANTUM DOTS; PHOTOCATALYTIC DEGRADATION; NANOSHEETS; MICROSPHERES; COMPOSITES; MECHANISM; STRATEGY; CL;
D O I
10.1016/j.cplett.2020.137340
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A carbon quantum dots modified bismuth bromide composite photocatalyst (CQDs/BiOBr) was synthesized by a mild hydrothermal method. The CQDs/BiOBr exhibited enhanced photocatalytic degradation of bisphenol A. The reason could be attributed to the broader light respond region and enhanced separation ratio of photoinduced electron-hole pairs after the introducing of CQDs. Interestingly, not only the up-conversion photoluminescence property, but also the photosensitization effect of CQDs worked together in driving BiOBr into broader-spectrum-response.
引用
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页数:5
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