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Visible light photocatalytic degradation of Methyl orange by Ag3PO4/TiO2 coated self-cleaning cotton

F. ZHENG1, D. WUa,b*,1,* , D. WU2, J. XIA1, Y. TAN1

Affiliation

  1. Science and Technology College of Hubei University for Nationalities, Enshi, Hubei Province, 445000, China
  2. School of Chemical and Environmental Engineering, Hubei University for Nationalities, Enshi, Hubei Province, 445000, China

Abstract

The visible-light-induced photocatalytic performance of TiO2-cotton has been realized by loading Ag3PO4 particles. The physical properties were characterized by means of SEM, XPS and DRS techniques. The photocatalytic activities of the samples were evaluated for the degradation of methyl orange under visible light irradiation. In comparison with TiO2-cotton, the dramatic enhancement in the photocatalytic performance of the Ag3PO4/TiO2-cotton could be attributed to the synergistic effect of BiOI and TiO2. Ag3PO4 can generate electron-hole pairs under visible light irradiation and Ag3PO4/TiO2 heterojunction can reduce the recombination of photogenerated charge carriers, resulting in high quantum efficiency and excellent photocatalytic properties..

Keywords

Ag3PO4, TiO2, Heterojuction, Visible light, Photocatalysis.

Submitted at: July 4, 2015
Accepted at: Sept. 9, 2015

Citation

F. ZHENG, D. WUa,b*,, D. WU, J. XIA, Y. TAN, Visible light photocatalytic degradation of Methyl orange by Ag3PO4/TiO2 coated self-cleaning cotton, Journal of Optoelectronics and Advanced Materials Vol. 17, Iss. 9-10, pp. 1528-1531 (2015)