Optical properties and theoretical study of Mn doped ZnAl2O4 nanoparticles with spinel structure

doi:10.1016/j.jallcom.2020.154004

	Optical properties and theoretical study of Mn doped ZnAl2O4 nanoparticles with spinel structure
	Huang, Shangpan 1,2; Wei, Zhiqiang1,2 ; Wu, Xiaojuan 1,2; Shi, Jiwen 1,2
	2020-06-05
发表期刊	JOURNAL OF ALLOYS AND COMPOUNDS
ISSN	0925-8388
卷号	825
摘要	Zn1-xMnxAl2O4 (x = 0, 0.10, 0.20, 0.30 and 0.40) nanoparticles were synthesized by hydrothermal method, and the effects of Mn doping on the microstructure, morphology, binding energy and optical property of the samples were characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), high-resolution transmission electron microscopy (HRTEM), energy dispersive X-ray spectroscopy (EDX), x-ray photoemission spectroscopy (XPS), ultraviolet-visible (UV-Vis) spectroscopy, photoluminescence spectra (PL) and fourier transform infrared spectroscopy (FT-IR). And the energy band structure of various defects in ZnAl2O4 structure were calculated by means of the first-principles calculations. The experimental results show that Zn1-xMnxAl2O4 nanoparticles possess cubic spinel structure without other impurity phases. The morphology of the samples exhibits irregular spherical or ellipsoid particles with uniform particle size. EDX Mapping display that Zn, Al, O and Mn elements are uniformly distributed without any enrichment phenomenon throughout the sample. Mn ions successfully used as doping agent replaced Zn2+ and entered ZnAl2O4 matrix. Combined with the calculated results of the first principle calculations, the substitution of Mn introduced new energy levels, which level make the intensity of PL spectra decrease and occur quenching phenomenon. XPS spectra demonstrate that the doped Mn ions mainly occupy the tetrahedral sites. UV-vis spectra indicate with the increase of Mn ion concentration, the band gap of the doped sample decrease with the increase of Mn content and exhibit red shift. FT-IR show that all Mn2+ ions substituted for Zn2+ ions without changing ZnAl2O4 spinel structure. (C) 2020 Elsevier B.V. All rights reserved.
关键词	ZnAl2O4 Manganese doped Optical properties First-principles calculations
DOI	10.1016/j.jallcom.2020.154004
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51261015] ; Natural Science Foundation of Gansu Province, China[1308RJZA238]
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000514848600075
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：37[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/64215
专题	省部共建有色金属先进加工与再利用国家重点实验室理学院
通讯作者	Wei, Zhiqiang
作者单位	1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China 2.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China
第一作者单位	省部共建有色金属先进加工与再利用国家重点实验室; 理学院
通讯作者单位	省部共建有色金属先进加工与再利用国家重点实验室; 理学院
第一作者的第一单位	省部共建有色金属先进加工与再利用国家重点实验室
推荐引用方式 GB/T 7714	Huang, Shangpan,Wei, Zhiqiang,Wu, Xiaojuan,et al. Optical properties and theoretical study of Mn doped ZnAl2O4 nanoparticles with spinel structure[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2020,825.
APA	Huang, Shangpan,Wei, Zhiqiang,Wu, Xiaojuan,&Shi, Jiwen.(2020).Optical properties and theoretical study of Mn doped ZnAl2O4 nanoparticles with spinel structure.JOURNAL OF ALLOYS AND COMPOUNDS,825.
MLA	Huang, Shangpan,et al."Optical properties and theoretical study of Mn doped ZnAl2O4 nanoparticles with spinel structure".JOURNAL OF ALLOYS AND COMPOUNDS 825(2020).