Ce3+和Eu2+掺杂的Li2SrSiO4在低电压电子束激发下的黄白色发射。
Yellow-white emission of Ce3+ and Eu2+ doped Li2SrSiO4 under low-voltage electron-beam excitation.
作者信息
Xie Mubiao, Liang Hongbin, Huang Yan, Tao Ye
机构信息
MOE Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China.
出版信息
Opt Express. 2012 Jul 2;20(14):15891-8. doi: 10.1364/OE.20.015891.
Ce(3+) and Eu(2+) activated Li(2)SrSiO(4) phosphors were prepared using a high temperature solid-state reaction technique. The VUV-UV-vis photoluminescence (PL) of Ce(3+)-doped phosphors Li(2-x)Sr(1-x)Ce(x)SiO(4) and Eu(2+)-doped phosphors Li(2)Sr(1-x)Eu(x)SiO(4), the low-voltage cathodoluminescence (CL) of Eu(2+)-doped phosphor Li(2)Sr(0.991-x)Eu(0.009)SiO(4) and Ce(3+)-Eu(2+) co-doped phosphors Li(2-x)Sr(0.991-x)Eu(0.009)Ce(x)SiO(4) were measured and discussed in consideration of their potential application in field emission displays (FEDs). The intense emission of phosphors Li(2-x)Sr(0.991-x)Eu(0.009)Ce(x)SiO(4) is tunable in yellow to white color gamut under low-voltage cathode ray excitation.
采用高温固态反应技术制备了Ce(3+)和Eu(2+)激活的Li(2)SrSiO(4)荧光粉。测量并讨论了Ce(3+)掺杂荧光粉Li(2-x)Sr(1-x)Ce(x)SiO(4)和Eu(2+)掺杂荧光粉Li(2)Sr(1-x)Eu(x)SiO(4)的真空紫外-紫外-可见光致发光(PL)、Eu(2+)掺杂荧光粉Li(2)Sr(0.991-x)Eu(0.009)SiO(4)和Ce(3+)-Eu(2+)共掺杂荧光粉Li(2-x)Sr(0.991-x)Eu(0.009)Ce(x)SiO(4)的低电压阴极发光(CL)，并考虑了它们在场发射显示器(FEDs)中的潜在应用。在低电压阴极射线激发下，荧光粉Li(2-x)Sr(0.991-x)Eu(0.009)Ce(x)SiO(4)的强发射在黄色到白色色域内是可调的。
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