<正>Sol-gel method was utilized to synthesize two different series of red silicate phosphors : MgSiO3 and Mg2SiO4 powder samples doped with Mn2+, conducted the investigation of red long-lasting phosphor: MgSiO3 : Eu2 + , Dy3+, Mn2+ . TGA curves of the gel precursor for two series depicted that the loss of residual organic groups and NO3 groups occurs below 450℃. According to the XRD patterns, the major diffraction peaks of the MgSiO3 and Mg2SiO4 series are consistent with a proto-enstatite structure (JCPDS N...
【英文摘要】
Sol-gel method was utilized to synthesize two different series of red silicate phosphors : MgSiO3 and Mg2SiO4 powder samples doped with Mn2+, conducted the investigation of red long-lasting phosphor: MgSiO3 : Eu2 + , Dy3+, Mn2+ . TGA curves of the gel precursor for two series depicted that the loss of residual organic groups and NO3 groups occurs below 450℃. According to the XRD patterns, the major diffraction peaks of the MgSiO3 and Mg2SiO4 series are consistent with a proto-enstatite structure (JCPDS No.1...
【基金】
Project is supported by National High Technology Research and Development Program of China (863 Program) (2002 AA 324060);
National Natural Science Foundation of China (10404028)
【更新日期】
2007-05-11
【分类号】
O482.3
【正文快照】
Long一lasting phosphors are widely used in emer- geney lighting，safety indieation，road signs，and 50 on .Long一lasting phosphors basing on silieate have been regarded highly in reeent years[1 Zj，beeause they are resistant to aeid，alkali and oxygen，an
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