期刊
MATERIALS & DESIGN
卷 192, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2020.108772
关键词
MXene; Titanium carbides; Photocatalytic degradation; Photoinduced holes extraction; Schottky barrier
资金
- National Natural Science Foundation of China [21901218]
- Scientific and Technological Research Program of Chongqing Municipal Education Commission [KJZD-k201901305/KJQN201901401]
- Chongqing Basic Science and Advanced Technology Research Program [CSTC2018jcyjAX0426]
- Science and Technology Fund Project of Guizhou Province [[2018]1415]
- Youth Talent Growth Project of Education Department of Guizhou Province [KY[2017]264]
The low separation efficiency of photoinduced carriers in BiPO4 system limited its photocatalytic application. Here, lotus flower-like heterostructure Ti3C2/BiPO4 was constructed via a simple hydrothermal synthesis without surface active agent. The Schottky barrier between BiPiO(4) and Ti3C2 interface could be formed due to the large gap in work function for two components, which efficiently promoted the photoproduced holes extraction, the separation of photogenerated electron-hole pairs and further inhibited photo-corrosion for BiPO4 and strengthened photostability. The heterostructure could totally photodegrade RhB under visible light irradiation for 20 min. The enhanced photocatalytic mechanism was explained in detail in this work. It is hoped that this photocatalytic system will be applied into another wastewater treatment and the used preparation method will be widely applied into many composite materials. (C) 2020 Xuchang University. Published by Elsevier Ltd.
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