期刊
APPLIED SURFACE SCIENCE
卷 347, 期 -, 页码 269-274出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2015.04.096
关键词
Bi2O3; Ag2O; Photocatalysis; Phenol
类别
资金
- National Natural Science Foundation of China [21401180]
- Provincial Natural Science Foundation of Anhui [1508085ME104]
- Scientific Research Foundation for the Anhui Provincial Returned Overseas Chinese Scholars (Electrospun low dimensional TiO2 nano-structures and application in photovoltaic devices)
Bi2O3-Ag2O hybrid photocatalysts were successfully synthesized via a co-precipitation method. The morphology, structure and photocatalytic performance in the degradation of phenol were characterized by using scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction, electrochemical impedance spectra and UV-vis absorption spectroscopy, respectively. The results show that Bi2O3-Ag2O hybrid photocatalysts exhibit enhanced photocatalytic performance in the degradation of phenol with a maximum degradation rate of 92% for 60 min under visible light irradiation compared with pure Bi2O3 (57%), which is ascribed to the increase in light adsorption and the reduction in electron-hole pair recombination with the introduction of Ag2O. (C) 2015 Elsevier B.V. All rights reserved.
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