Journal of Jilin University Science Edition
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LI Shan, YE Tiannan, LU Yang, WEI Xiao
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A hydrothermal method was used to synthesize Mn4+ doped SrGe4O9 red phosphor. The crystal structure and luminescent properties of the SrGe4O9∶Mn4+ were characterized by XRD and FS. The SrGe4O9∶Mn4+ phosphor emits red emission at 656 nm due to the 2E2→4A2transition of Mn4+. The valence state of Mn was demonstrated by EPR. In addition, the influence of Mn4+ doping concentration on the luminescent properties of the phosphor was studied and the luminescent properties of the hydrothermally prepared SrGe4O9∶Mn4+ phosphor was compared with those of the control sample prepared from solid state reaction.
Key words: hydrothermal method, red phosphor, SrGe4O9∶Mn4+, spectral properties
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LI Shan, YE Tiannan, LU Yang, WEI Xiao. Hydrothermal Synthesis and Luminescent Properties ofNon RareEarth Mn Doped SrGe4O9 Red Phosphor[J].Journal of Jilin University Science Edition, 2014, 52(05): 1055-1058.
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URL: http://xuebao.jlu.edu.cn/lxb/EN/
http://xuebao.jlu.edu.cn/lxb/EN/Y2014/V52/I05/1055
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