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- Title
Highly efficient photocatalytic performance of graphene-AgVO composites.
- Authors
Tao, Xiucheng; Hong, Qing; Xu, Tianzhi; Liao, Fan
- Abstract
In the present paper, graphene-AgVO composites with broad-spectrum response were prepared by hydrothermal method, which performed high photocatalytic activity in decomposing Rhodamine B under visible light irradiation. The graphene content exhibited an obvious influence on the photocatalytic activity. Composite with 5 wt% graphene possessed the highest activity: the degradation rate reached about 92.3 %, which was nearly 1.5 times higher than that of the pure AgVO. The enhancement of the photocatalytic activity was attributed to the synergetic effect between graphene and AgVO particles. Here, graphene was served as an excellent electron acceptor and transporter, which markedly decreased the recombination efficiency of electron-hole pairs and accelerated the degradation process.
- Subjects
GRAPHENE; SILVER compounds; COMPOSITE materials; PHOTOCATALYSIS; CATALYTIC activity
- Publication
Journal of Materials Science: Materials in Electronics, 2014, Vol 25, Issue 8, p3480
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-014-2042-8