期刊
ADVANCED POWDER TECHNOLOGY
卷 30, 期 1, 页码 111-119出版社
ELSEVIER
DOI: 10.1016/j.apt.2018.10.012
关键词
Visible-light-driven; Photocatalysis; Heterojunction
资金
- Program for National Natural Science Foundation of China [51562029]
- Program for Key Laboratory of Inorganic Function Material and Device, Chinese Academy of Sciences [KLIFMD-2011-01]
- Program for Young Talents of Science and Technology in University of Inner Mongolia Autonomous Region [NJYT-17-A08]
AgI/BiOCOOH composite photocatalysts have been synthesized via a simple deposition-precipitation method. The crystal structure, microstructure, element valance, light and electrical properties of as prepared samples were characterized by XRD, SEM, TEM, XPS, UV-Vis DRS, PL, EIS and photocurrent response. The loading of AgI nanoparticles endowed BiOCOOH with good visible light absorption and photocatalytic activity for degrading rhodamine B. The composition with Ag:Bi = 1:1 exhibited the best photocatalytic activity. The enhanced photocatalytic performance could be mainly attributed to the effective separation of the photogenerated carriers at the heterojunction. O-center dot(2-) and h(+) were suggested as the main reactive species in the photocatalytic reaction. In addition, the photocatalysts showed excellent stability over multiple reaction cycles. (C) 2018 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
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