期刊
CHEMICAL PHYSICS LETTERS
卷 728, 期 -, 页码 62-69出版社
ELSEVIER
DOI: 10.1016/j.cplett.2019.04.071
关键词
Borate; Photocatalytic degradation; XPS; {10(1)over-bar0} facets; YBO3
资金
- National Natural Science Foundation of China [51571003]
- Universities Science and Technology Research Program of Hebei [QN2018306]
- Youth top talent program of Hebei Education Department [BJ2018203]
- Tangshan science and technology research and development program [17130258a, 17130259a]
Hexagonal YBO3 photocatalysts were successfully synthesized by hydrothermal method. The samples were characterized by XRD, SEM, TEM, XPS, UV-vis, photocatalytic performance, photocurrent and electrochemical impedance analysis. The results show that the pH value has a large effect on the formation of the microspheres. The excellent photocatalytic performance for RhB degradation depends on the exposed {1 0 (1) over bar0} facets in which the fitting concentration of oxygen vacancy can prevent the recombination of the photogenerated carriers. Meantime, the {1 0 (1) over bar0} faceted YBO3 microspheres enhance the absorption of irradiation light and present highest specific surface area which can also accelerate photocatalytic activity.
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