期刊
CERAMICS INTERNATIONAL
卷 41, 期 4, 页码 5999-6004出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.01.040
关键词
BiVO4/TiO2; Degradation; Nanocomposite; Photocatalytic activity
资金
- Thailand Office of the Higher Education Commission through National Research University (NRU) Project for Chiang Mai University
- National Research Council of Thailand
- Graduate School Chiang Mai University
BiVO4/TiO2 nanocomposites were successfully synthesized by coupling the modified sol-gel method with hydrothermal method. The samples were physically characterized X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Brunauer, Emmett and Teller (BET)-specific surface area, UV-vis diffuse reflectance spectrophotometry, zeta potential, and photoluminescence techniques. The BiVO4/TiO2 nanocomposites exhibited good photocatalytic activity in degradation of methylene blue under simulated solar light irradiation. The photodegradation of methylene blue demonstrated that 0.5BiVO(4)/0.5TiO(2) photocatalyst exhibited much enhanced photoactivity than pure BiVO4 and TiO2. Based on the obtained results, the as-prepare BiVO4/TiO2 nanocomposite possessed great adsorptivity of methylene blue, extended light adsorption range, and efficient charge separation properties. Overall, this work could provide new insights into the fabrication of a BiVO4/TiO2 composite as high performance photocatalyst and promise as a solar light photocatalyst for dye wastewater treatment. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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