A novel photoluminescence phenomenon in a SrMoO4/SrWO4 micro/nano heterojunction phosphors obtained by the polyacrylamide gel method combined with low temperature calcination technology

doi:10.1016/j.jlumin.2021.118660

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	A novel photoluminescence phenomenon in a SrMoO4/SrWO4 micro/nano heterojunction phosphors obtained by the polyacrylamide gel method combined with low temperature calcination technology
	Gao, Huajing 2,3,4; Yu, Chuan 3; Wang, Yue 3; Wang, Shifa 3,4; Yang, Hua 2,5; Wang, Fei 1; Tang, Shengnan 3; Yi, Zao 6; Li, Dengfeng 7
刊名	Journal of Luminescence
	2022-03-01
卷号	243
关键词	Calcination Charge transfer Heterojunctions Molybdenum compounds Phosphors Photocatalytic activity Photoluminescence Temperature Tungsten compounds Calcination technologies Charge state Emission peaks Lows-temperatures Mass ratio Micro/nano Nano-heterojunctions Phosphor Photoluminescence properties Polyacrylamide gel method
ISSN号	0022-2313
DOI	10.1016/j.jlumin.2021.118660
英文摘要	The polyacrylamide gel method combined with low temperature calcination technology have been used to synthesize the SrMoO4/SrWO4 micro/nano heterojunction phosphors with excellent photoluminescence properties. The effects of mass ratio of SrMoO4/SrWO4 on the phase structure, microstructure, charge state, photoluminescence performance and photocatalytic activity of SrMoO4/SrWO4 phosphors were systematically studied. Various characterization methods jointly confirmed that SrMoO4 and SrWO4 formed a special interface contact, generated a large number of oxygen vacancies, and then promoted the transfer and recombination of charge carriers, and further enhanced the photoluminescence properties of SrMoO4/SrWO4 micro/nano heterojunction phosphors. The SrMoO4/SrWO4 micro/nano heterojunction phosphors exhibits novel emission peak at 440 nm with the excitation wavelength of 310 nm and the ultraviolet intrinsic emission peak at 378 nm of SrMoO4. Photocatalytic experiments further confirmed that the SrMoO4/wt 5% SrWO4 micro/nano heterojunction phosphors have high charge transfer and recombination rates, demonstrating high photoluminescence properties for the SrMoO4/SrWO4 micro/nano heterojunction phosphors. This new idea provides a technical reference for the construction of heterojunction phosphor with special interface contact and its application in LED and laser fields. © 2021 Elsevier B.V.
语种	英语
出版者	Elsevier B.V.
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/157849]
专题	理学院
作者单位	1.College of Materials Science and Engineering, Sichuan University, Chengdu; 610064, China; 2.State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China; 3.School of Electronic and Information Engineering, Chongqing Three Gorges University, Wanzhou, Chongqing; 404000, China; 4.Chongqing Key Laboratory of Geological Environment Monitoring and Disaster Early-warning in Three Gorges Reservoir Area, Chongqing Three Gorges University, Wanzhou, Chongqing; 404000, China; 5.School of Science, Lanzhou University of Technology, Lanzhou; 730050, China; 6.Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang; 621010, China; 7.School of Science, Chongqing University of Posts and Telecommunications, Nan'an District, Chongqing; 400065, China
推荐引用方式 GB/T 7714	Gao, Huajing,Yu, Chuan,Wang, Yue,et al. A novel photoluminescence phenomenon in a SrMoO4/SrWO4 micro/nano heterojunction phosphors obtained by the polyacrylamide gel method combined with low temperature calcination technology[J]. Journal of Luminescence,2022,243.
APA	Gao, Huajing.,Yu, Chuan.,Wang, Yue.,Wang, Shifa.,Yang, Hua.,...&Li, Dengfeng.(2022).A novel photoluminescence phenomenon in a SrMoO4/SrWO4 micro/nano heterojunction phosphors obtained by the polyacrylamide gel method combined with low temperature calcination technology.Journal of Luminescence,243.
MLA	Gao, Huajing,et al."A novel photoluminescence phenomenon in a SrMoO4/SrWO4 micro/nano heterojunction phosphors obtained by the polyacrylamide gel method combined with low temperature calcination technology".Journal of Luminescence 243(2022).