期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 45, 期 5, 页码 2462-2468出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jtice.2014.04.022
关键词
BiVO4; Rod-like; Hydrothermal; Natural sunlight; Photocatalytic
资金
- Basic Scientific and Technological Frontier Project of Henan Province, PR China [132330410138, 102300410098, 122300410293]
- Key Science and Technology Program of Henan Province, PR China [122102310486, 132102210129]
- Plan for Scientific Innovation Talent of Henan Province [134200510014]
- Fostering Foundation of Henan Normal University for the Author of National Excellent Ph.D. Dissertation, PR China [01333900011]
- National Natural Science Foundation of China [41303090]
In the present study, a time-saving, additive-free hydrothermal method for the tailored synthesis of m-BiVO4 rod-like structures was reported. The as-prepared BiVO4 products were systematically characterized with the aid of various techniques to probe their crystallographic, morphological, chemical, and optical properties. The photocatalytic activities of the synthesized rod-like BiVO4 were assessed by the photo-degradation of rhodamine B (RhB) and orange IV (OG-IV) under natural sunlight irradiation. The effects of calcination temperature, catalyst dosage, and initial concentration of RhB or OG-IV on the photocatalytic degradation efficiency were investigated, where it was found that the sample calcinated at 300 degrees C exhibited superior natural-sunlight-driven photocatalytic response. The recycle experiments confirmed that the prepared BiVO4 photocatalysts possessed excellent repeatability and stability over prolonged irradiation time. (C) 2014 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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