铝钼共掺杂氧化锌粉末的制备及光电性能研究

doi:10.11896/cldb.20090212

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Abstract Aluminum (Al) doped, Al and molybdenum (Mo) co-doped zinc oxide (AZO,AZMO) nanometer powders were prepared via hydrothermal method. The effects of single Al doping and Al-Mo co-doping on the structure, morphology and photoelectric properties of AZO,AZMO powders were cha-racterized and analyzed by using X-ray diffractometer (XRD), scanning electron microscope (SEM), high resolution transmission electron microscope (TEM), fluorescence spectrophotometer (PL), ultraviolet spectrophotometer, TG-DTA differential thermal analysis, laser particle size analyzer, and four-probe resistance tester. The results show that both of AZO and AZMO nanometer powders are hexaploid wurtzite structure with good crystallinity. The doping concentration of Al and Mo has an impact on the morphology, crystal structure and photoelectric pro-perties of nano-sized zinc oxide powder. As the doping concentration increases, the degree of crystallinity decreases, and the grain size decreases first and then increases. Photoelectric performance rises first and then drops with the increase of doping concentration. The appropriate co-doping concentration of Al and Mo can achieve the optimal match of band gap width and resistivity as well as the improvement of the near ultraviolet and blue luminescence properties. When the ration of the doping concentration for m(Al)∶m(Mo) is 1∶3, the best comprehensive photoelectric properties of nanometer AZMO powders can be obtained with the forbidden band width of 3.392 eV and the resistivity of 20.3 Ω·m. The ultraviolet luminescence peak intensity is the highest and appears blue shift.

Key words： hydrothermal method Al and Mo co-doping nanometer zinc oxide band gap width photoluminescence resistivity

Published: 25 February 2022 Online: 2022-02-28

CLC number:

TN304.2

Fund:National Natural Science Foundation of China (U1804124).

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	Articles by authors
	WANG Nannan
	LI Jiwen
	LIU Wei
	LI Wuhui
	ZHANG Yudong
	LEI Jinkun
	XU Liujie

Cite this article:

WANG Nannan,LI Jiwen,LIU Wei, et al. Preparation and Photoelectric Properties of Aluminum-Molybdenum Co-doped Zinc Oxide Powders[J]. Materials Reports, 2022, 36(4): 20090212-7.

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http://www.mater-rep.com/EN/10.11896/cldb.20090212 OR http://www.mater-rep.com/EN/Y2022/V36/I4/20090212

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