Fe掺杂的Ag-ZnO纳米复合材料的合成及光催化性能

doi:10.11896/cldb.201906006

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Abstract Fe doped Ag-ZnO nanopowders were synthesized by polymer-network gel method. The microstructures and optical properties of the as-prepared samples were characterized by XRD, SEM, XPS, PL and UV-vis techniques, the photocatalytic activity of these samples was studied by analyzing the degradation of methyl orange and methylene blue under ultraviolet light and simulated sunlight, respectively. The results of XRD and SEM show that Fe doping improves the dispersion of Ag nanoparticles while reducing the grain size of ZnO. The XPS spectrum shows the coexistence of divalent and trivalent Fe, and with the increase of the Fe doping concentration, the Fe ion in the ZnO lattice changes from divalent to trivalent, resulting in the reduced intensity of blue emission peak revealed in the PL spectra. Among all samples, Zn_0.96Fe_0.01Ag_0.03O exhibits the highest photocatalytic activity. Combined with the microstructure and optical properties, we discussed its photocatalytic mechanism.

Key words： Fe doped Ag-ZnO polymer-network gel method photocatalytic

Published: 03 April 2019

CLC number:

O614.24+

Fund:This work was financially supported by the Sichuan Province Academic and Technical Leader Training Fund (26727502),the Key Project of Applied Basic Research of Sichuan Science and Technology Department (2017JY0349) and Southwest Minzu University Graduate Innovative Research Fund (CX2018SZ98).

About author:: Jiaxi Zhang, a master student in materials science at Southwest Minzu University, is engaged in the research of oxide functional materials.Ming Xu received his Ph.D. degree in Condensed Physics from Institute of Physics (CAS) in 2000.

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	ZHANG Jiaxi
	YUAN Huan
	LIU Yutong
	CHEN Yu
	XU Ming

Cite this article:

ZHANG Jiaxi,YUAN Huan,LIU Yutong, et al. Synthesis and Photocatalytic Properties of Fe Doped Ag-ZnO Nanocomposites[J]. Materials Reports, 2019, 33(6): 941-946.

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http://www.mater-rep.com/EN/10.11896/cldb.201906006 OR http://www.mater-rep.com/EN/Y2019/V33/I6/941

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