Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 417, Issue -, Pages 115-120Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2013.11.042
Keywords
Nanoporous g-C3N4; Ag3PO4 nanoparticles; Photocatalysis; Rhodamine B; Degradation
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Funding
- National Natural Science Foundation of China [21003065]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1202040C]
- College Natural Science Research Program of Jiangsu Province [13KJB610003]
- Research Foundation for Talented Scholars of Jiangsu University [11JDG149, 10JDG133]
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Novel visible-light-driven heterojunction photocatalyst composed by Ag3PO4 nanoparticles and nanoporous graphitic carbon nitride sheets (Ag3PO4/p-g-C3N4) was synthesized by a facile and green method. The results showed that photocatalytic activity of Ag3PO4/p-g-C3N4 was much higher than that of pure p-g-C3N4 in the photodegradation of Rhodamine B under visible light irradiation. The kinetic constant of Rhodamine B degradation over Ag3PO4 (33.3 mol%)/p-g-C3N4 was about 5 and 2 times higher than that over pure p-g-C3N4 and Ag3PO4, respectively. The enhanced photocatalytic performance is attributed to the stronger visible light absorption and the heterojunction between Ag3PO4 nanoparticles and p-g-C3N4, which could induce the low recombination rate of photoinduced electron-hole pairs. (C) 2013 Elsevier Inc. All rights reserved.
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