NDLI: Synergetic effect of Bi2WO6 photocatalyst with C60 and enhanced photoactivity under visible irradiation.

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Synergetic effect of Bi2WO6 photocatalyst with C60 and enhanced photoactivity under visible irradiation.

Content Provider	Semantic Scholar
Author	Zhu, Shengbao Xu, Tongguang Fu, Hongbo Zhao, Jincai Zhu, Yongfa
Copyright Year	2007
Abstract	Fullerene (C60)-modified Bi2WO6 photocatalyst is prepared by a simple absorbing process. The as-prepared samples show the high efficiency for the degradation of nonbiodegradable azodyes methylene blue (MB) and rhodamine B (RhB) under visible light (lamda >420 nm) and simulated solar light (lamda >290 nm). After being modified by C60, the photocatalytic activities of Bi2WO6 samples increase about 5.0 and 1.5 times for the degradation of MB and RhB under visible light irradiation, whereas 4.6 and 2.1 times under xenon lamp irradiation, respectively. The enhanced photocatalytic activity for C60-modified Bi2WO6 comes from the high migration efficiency of photoinduced electrons on the interface of C60 and Bi2WO6 which is produced by the interaction of Bi2WO6 and C60 with the conjugative pi-system. The optimum synergetic effect is found at a weight ratio of 1.25 wt % (C60/Bi2WO6). The photocatalytic reaction process of C60-modified Bi2WO6 is mainly governed by direct holes and O2*- oxidation.
File Format	PDF HTM / HTML
DOI	10.1021/es070953y
PubMed reference number	17937308
Journal	Medline
Volume Number	41
Issue Number	17
Alternate Webpage(s)	http://www.zhuyfgroup.com/uploadfile/2019/1209/20191209061705159.pdf
Alternate Webpage(s)	https://doi.org/10.1021/es070953y
Journal	Environmental science & technology
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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