期刊
CHINESE JOURNAL OF CHEMICAL PHYSICS
卷 31, 期 1, 页码 92-98出版社
CHINESE PHYSICAL SOC
DOI: 10.1063/1674-0068/31/cjcp1706127
关键词
Ag3PO4/Ag/Ag2Mo2O7; Heterostructure; Photocatalysis; Visible light
资金
- National Natural Scie nce Foundation of China [21407059, 21576112, 21407064, 21607051]
- Science Developm ent Project of Jiangsu Province [BK20140527]
- Science and Technology Research Project of the Dep artment of Education of Jilin Province [2015220]
- Open Subject of the State Key Laboratory of Rare Earth Resource Utilization [RERU2017011]
Ag3PO4/Ag/Ag2Mo2O7 composite photocatalyst was successfully prepared via an in situ precipitation method. The as-prepared Ag3PO4/Ag/Ag2Mo2O7 nanocomposite included Ag3PO4 nanoparticles (NPs) as well as Ag NPs assembling on the surface of Ag2Mo2O7 nanowires. Under visible light irradiation (lambda>420 nm), the Ag3PO4/Ag/Ag2Mo2O7 composite degraded rhodamine B (Rh B) efficiently and showed much higher photocatalytic efficiency than pure Ag3PO4, Ag2Mo2O7, or Ag3PO4/Ag2Mo2O7. It was elucidated that the excellent photocatalytic performance of Ag3PO4/Ag/Ag2Mo2O7 for the degradation of Rh B under visible light could be ascribed to the high specific surface area, the extended absorption in the visible light region resulting from the Ag3PO4/Ag loading, and the efficient separation of photogenerated electrons and holes through the ternary heterostrucure composed of Ag3PO4, Ag and Ag2Mo2O7.
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