期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 36, 页码 20076-20082出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b05184
关键词
Ag/BiOBr film; rotating-disk reactor; visible-light photocatalyst; long-afterglow phosphor; round-the-clock photocatalysis
资金
- National Natural Science Foundation of China [21261140333, 21237003, 21207091, 21577092]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1269]
- International Joint Laboratory on Resource Chemistry
Ag/BiOBr film coated on the glass substrate was synthesized by a solvothermal method and a subsequent photoreduction process. Such a Ag/BiOBr film was then adhered to a hollow rotating disk filled with long-afterglow phosphor inside the chamber. The Ag/BiOBr film exhibited high photocatalytic activity for organic pollutant degradation owing to the improved visible-light harvesting and the separation of photoinduced charges. The long-afterglow phosphor could absorb the excessive daylight and emit light around 488 nm, activating the Ag/BiOBr film to realize round-the-clock photocatalysis. Because the Ag nanopartides could extend the light absorbance of the Ag/BiOBr film to wavelengths of around SOO nm via a surface plasma resonance effect, they played a key role in realizing photocatalysis induced by long-afterglow phosphor.
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