Journal
RSC ADVANCES
Volume 5, Issue 112, Pages 91979-91987Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra18096a
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Funding
- National Natural Science Foundation of China [21476183, 21176199, 21306150, 51372201]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20136101110009]
- Natural Science Foundation of Shaanxi Province [2015JM5159]
- Research and Development Project of Shaanxi Institute of Technology [Gfy15-20]
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A graphitic-C3N4-hybridized Ag3PO4 tetrahedron with reactive {111} facets was prepared though a facile solvent evaporation method and applied for the photocatalytic degradation of methyl blue (MB) in aqueous solution and removal of NO at the indoor air level under visible light irradiation (>400 nm). In addition to the superior photocatalytic performance of the highly reactive {111} facets of tetrahedral Ag3PO4, the hybridization with g-C3N4 was confirmed to further improve the photocatalytic activity, and the content of g-C3N4 had a great influence on the photocatalytic activity. The photocatalytic activity enhancement of g-C3N4/Ag3(P)O(4) {111} hybrid photocatalysts could be ascribed to the efficient separation of electron-hole pairs through a Z-scheme system composed of Ag3PO4, Ag and g-C3N4, in which Ag particles acted as the charge separation center. Furthermore, h(+) and O-2 center dot played the major roles in the photocatalysis process. This work suggested that the synthesized g-C3N4/Ag3PO4 {111} hybrid would be a promising visible light driven photocatalytic material for environmental remediation.
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