Synthesis and luminescence properties of red-emitting M_2Si_5N_8:Eu^(2+)-based(M=Ca,Sr,Ba) phosphors by a simple nitrate reduction

查看全文 作　　者：CHEN [1,2]ChangCheng;XIE [2]ErQing

机构地区：[1]School of Materials Science and Engineering,Georgia Institute of Technology;[2]School of Physical Science and Technology,Lanzhou University

出　　处：《Science China(Physics,Mechanics & Astronomy)》索引2014年第57卷第3期,共4页

基　　金：supported by New Century Excellent Talents of the University in China for the financial support(Grant No.NCET-04-0975) 摘　　要：M2Si5N8:Eu2+-based(M=Ca,Sr,Ba)red-emitting phosphors are fabricated at relatively low temperature(1200°C)and atmospheric pressure using a simple solid-state reaction process.Several processing parameters are systematically investigated to optimize the phosphors structural characterization and photoluminescence performance,including the amount of europium and the properties of the precursor materials.The as-prepared M2Si5N8:Eu2+-based(M=Ca,Sr,Ba)phosphors are orange in color and are intensively emitted in the red region of 580–670 nm under 465 nm excitation. 关键词：红色发光荧光粉发光性质硝酸盐光致发光性能基础还原钙

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Synthesis and luminescence properties of red-emitting M_2Si_5N_8:Eu^(2+)-based(M=Ca,Sr,Ba) phosphors by a simple nitrate reduction

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