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Chemcial Industry and Engineering 2016, Vol. 33 Issue (5) :1-7,20    DOI: 10.13353/j.issn.1004.9533.20141118
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Preparation, Characterization and Catalytic Performance of Visible-Light Photocatalyst Ag/AgBr/(BiO)2CO3
Xu Dandan, Zhu Yingming, Meng Ming
Collaborative Innovation Center for Chemical Science & Engineering (Tianjin), Tianjin Key Laboratory of Applied Catalysis Science & Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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Abstract 

A series of Ag/AgBr/(BiO)2CO3 composite photocatalysts with varying loadings of Ag/AgBr were firstly synthesized through deposition-precipitation. Multiple techniques including XRD, BET, SEM, TEM, XPS and UV-vis were used for catalyst characterization, and the photodegradation of Rhodamine B under visible-light was employed as a model reaction to evaluate their catalytic performance. It is found that the as-prepared composite catalysts Ag/AgBr/(BiO)2CO3 exhibit greatly enhanced catalytic activity as compared with (BiO)2CO3, the best loading content is 5.0%. The activity improvement is attributed to the synergy among Ag, AgBr and (BiO)2CO3, which improves the separation efficiency of photoinduced carriers.

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Xu Dandan
Zhu Yingming
Meng Ming
KeywordsAg nanoparticle;   AgBr;   (BiO)2CO3   photocatalyst;   visible-light;   Rhodamine B     
Received 2014-05-18;
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Xu Dandan, Zhu Yingming, Meng Ming.Preparation, Characterization and Catalytic Performance of Visible-Light Photocatalyst Ag/AgBr/(BiO)2CO3[J]  Chemcial Industry and Engineering, 2016,V33(5): 1-7,20
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