Elsevier, Applied Surface Science, (347), p. 269-274
DOI: 10.1016/j.apsusc.2015.04.096
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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.