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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.125  No.3 (March) (2017)  >  pp.141-144

Journal of the Ceramic Society of Japan
<<Previous article Vol.125  No.3 (March) (2017)   pp.141 - 144 Next article>>

Synthesis of novel coral-like Ag3PO4 microspheres under the aid of trisodium citrate and acetic acid

Chengxiang ZHENG1), Hua YANG1), Yang YANG1)
1) School of Science, Lanzhou University of Technology

Based on a sonochemical route, the effect of trisodium citrate and acetic acid, which served as the structure-directing agents, on the synthesis of Ag3PO4 nano/micro structures was investigated. It is found that the sample prepared at n(AgNO3) = 3 mmol, n(KH2PO4) = 2 mmol, n(Na3Cit) = 1 mmol and n(CH3COOH) = 3 mL is composed of coral-like microspheres. When varying the contents of reagents to other levels or in the absence of acetic acid, it brings about the formation of mesoporous microspheres or polyhedrons. The photocatalytic activity of the as-prepared Ag3PO4 samples was evaluated by the degradation of rhodamine B (RhB) under simulated-sunlight irradiation. Compared to the mesoporous microspheres or polyhedrons, the coral-like microspheres exhibit a superior photocatalytic activity, and the degradation percentage of RhB after photocatalysis reaction for 60 min reaches 96.8%.


Keyword:
Coral-like Ag3PO4 microspheres, Structure-directing agents, Trisodium citrate, Acetic acid, Photocatalytic performance

Received: December 16, 2016
Accepted: January 11, 2017 , Published online: March 01, 2017

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