NDLI: Poly(vinyl pyrrolidone)-assisted hydrothermal synthesis and enhanced visible-light photocatalytic performance of oxygen-rich bismuth oxychlorides.

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Poly(vinyl pyrrolidone)-assisted hydrothermal synthesis and enhanced visible-light photocatalytic performance of oxygen-rich bismuth oxychlorides.

Content Provider	Semantic Scholar
Author	Chang, Fei Luo, Jieru Wang, Xiaofang Xie, Yunchao Deng, Baoqing Hu, Xuefeng
Copyright Year	2015
Abstract	A series of novel oxygen-rich bismuth oxychloride (Bi12O17Cl2) were synthesized through a facile poly(vinyl pyrrolidone) (PVP)-assisted hydrothermal route. These obtained Bi12O17Cl2 samples were characterized by various physicochemical techniques. It was found that a proper addition amount of PVP could promote the transformation of Bi12O17Cl2 morphology from irregular clusters to three-dimensional hierarchical flower-like microspheres that were nominated as sample BP2. As-synthesized samples were subjected to a photocatalytic degradation of dye Rhodamine B (RhB) or 2,4-dichlorophenol (2,4-DCP) under visible light. Among all candidates, the sample BP2 with a hierarchical flower-like morphology showed the best degradation efficiency for RhB and 2,4-DCP. The apparent rate constant of sample BP2 in terms of degradation of RhB was nearly 5.7 and 45 times that of unmodified BP0 and N-TiO2. The enhanced photocatalytic performance could be ascribed to synergetic effects including unique hierarchical morphologies, large specific surface area, small particle size, good crystallinity, and suitable band structures. A possible mechanism of catalytic degradation was finally proposed basing upon the active species trapping experiments.
Starting Page	136
Ending Page	145
Page Count	10
File Format	PDF HTM / HTML
PubMed reference number	26280163
Journal	Medline
Volume Number	459
Alternate Webpage(s)	http://ir.yic.ac.cn/bitstream/133337/13809/4/Poly(vinyl%20pyrrolidone)-assisted%20hydrothermal%20synthesis%20and%20enhanced%20visible-light%20photocatalytic%20performance%20of%20oxygen-rich%20bismuth%20oxychlorides.pdf
Alternate Webpage(s)	https://doi.org/10.1016/j.jcis.2015.08.023
Journal	Journal of colloid and interface science
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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