期刊
MATERIALS LETTERS
卷 196, 期 -, 页码 343-346出版社
ELSEVIER
DOI: 10.1016/j.matlet.2017.03.093
关键词
Ag/BiOCOOH; Visible light; Nanocomposites; Photocatalysis; Semiconductors
资金
- Natural Science Foundation of Zhejiang Province [LQ15E090006]
- Research Startup Foundation of Zhejiang Ocean University [Q1447]
In this work, plasmonic Ag nanoparticles (NPs) decorated BiOCOOH microflowers as one kind of efficient visible-light-driven photocatalysts were prepared via a one-pot solvothermal method and systematically characterized. Compared with pristine BiOCOOH, Ag/BiOCOOH heterojunctions showed greatly enhanced visible light photocatalytic activities towards RhB degradation. Especially, the 5 wt% Ag/BiOCOOH heterojunction displayed the maximum activity, and the degradation rate is 10.9 times higher than that obtained by using pristine BiOCOOH. The exceptional photocatalytic activity of Ag/BiOCOOH is attributed to the surface plasmon resonance (SPR) effect induced by Ag NPs and formation of the heterojunction between Ag and BiOCOOH. Holes and superoxide radicals mainly dominate the RhB degradation. More importantly, Ag/BiOCOOH is highly stable in photocatalysis. (C) 2017 Elsevier B. V. All rights reserved.
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