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Enhanced Visible Light Photocatalytic Degradation of Organic Pollutants over Flower-Like Bi2O2CO3 Dotted with [email protected]

1
School of Chemical engineering and Technology, Tianjin University, Tianjin 300072, China
2
Hebei Key Laboratory for Environment Photocatalytic and Electrocatalytic Materials, College of Chemical Engineering, North China University of Science and Technology, Tangshan 063009, China
3
Department of Chemical and Biological Engineering, University of Ottawa, Ottawa, ON K1N 6N5, Canada
*
Authors to whom correspondence should be addressed.
Academic Editor: Greta R. Patzke
Materials 2016, 9(11), 882; https://doi.org/10.3390/ma9110882
Received: 21 August 2016 / Revised: 21 October 2016 / Accepted: 27 October 2016 / Published: 31 October 2016
(This article belongs to the Section Energy Materials)
A facile and feasible oil-in-water self-assembly approach was developed to synthesize flower-like [email protected]/Bi2O2CO3 micro-composites. The photocatalytic activities of the samples were evaluated through methylene blue degradation under visible light irradiation. Compared to Bi2O2CO3, flower-like [email protected]/Bi2O2CO3 micro-composites show enhanced photocatalytic activities. In addition, results indicate that both the physicochemical properties and associated photocatalytic activities of [email protected]/Bi2O2CO3 composites are shown to be dependent on the loading quantity of [email protected] The highest photocatalytic performance was achieved at 7 wt % [email protected], degrading 95.18% methylene blue (MB) after 20 min of irradiation, which is over 1.52 and 3.56 times more efficient than that of pure [email protected] and pure Bi2O2CO3, respectively. Bisphenol A (BPA) was also degraded to further demonstrate the degradation ability of [email protected]/Bi2O2CO3. A photocatalytic mechanism for the degradation of organic compounds over [email protected]/Bi2O2CO3 was proposed. Results from this study illustrate an entirely new approach to fabricate semiconductor composites containing [email protected]/bismuth (X = a halogen). View Full-Text
Keywords: semiconductors; chemical synthesis; X-ray diffraction; optical properties; catalytic properties semiconductors; chemical synthesis; X-ray diffraction; optical properties; catalytic properties
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Lin, S.; Wang, M.; Liu, L.; Liang, Y.; Cui, W.; Zhang, Z.; Yun, N. Enhanced Visible Light Photocatalytic Degradation of Organic Pollutants over Flower-Like Bi2O2CO3 Dotted with [email protected] Materials 2016, 9, 882.

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