Journal
CERAMICS INTERNATIONAL
Volume 42, Issue 16, Pages 18605-18611Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2016.08.204
Keywords
Visible light photocatalysis; Precipitation-photoreduction; AgCl/Ag; BiFeO3; Surface plasmon resonance
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Funding
- National Natural Science Foundation of China [51541801, 51521006]
- Hunan Provincial Natural Science Foundation of China [14JJ2045]
- Scientific Research Fund of Hunan Provincial Education Department [13k017]
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A novel AgCl/Ag/BiFeO3 photocatalyst was synthesized via an ultrasonic-assisted precipitation-photo reduction method. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), High Resolution Transmission Electron Microscopy (HRTEM), UV-vis diffuse reflectance spectroscopy (DRS) and photoluminescence emission spectra (PL) analysis were implemented to characterize the composition, morphology, structure, and optical property of the as-synthesized photocatalyst. For the decomposition of methyl orange (MO) and other organic dyes, AgCl/Ag/BiFeO3 photocatalyst manifested much superior visible-light catalytic activity than pure BiFeO3 and AgCl/Ag. Based on the trapping experiments and band structure analysis, a probable Z-scheme light catalytic mechanism was proposed. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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