首页> 外文会议>International Conference on Rare Earth Research and Application; 20060625-30; Beijing(CN) >Vacuum Ultraviolet Spectral Investigations on Green-Emitting Ca(La,Gd)_4Si_3O_(13):Tb~(3+) Phosphors for PDP Applications
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Vacuum Ultraviolet Spectral Investigations on Green-Emitting Ca(La,Gd)_4Si_3O_(13):Tb~(3+) Phosphors for PDP Applications

机译:PDP应用中绿色发射Ca(La,Gd)_4Si_3O_(13):Tb〜(3+)荧光粉的真空紫外光谱研究

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摘要

In an effort to develop new green-emitting PDP phosphors with high efficiency, investigated were the synthesis, VUV photoluminescence (PL) spectra, optical properties, and chromaticity of Ca(La_(1-x-y)Tb_xGd_y)_4Si_3O_(13) phosphors by using synchrotron radiation. Upon analysis of the VUV spectroscopic and chromaticity investigations on the new green-emitting VUV phosphors, were an optimized composition achieved. The PLE spectral studies show that Ca ( Lai_(1-x-y) Tb_xGd_y)_4Si_3O_(13) exhibit significant absorption in the VUV range. The VUV PL intensity was found to enhance with Gd_(3+) -doping. Furthermore, the 1931 CIE chromaticity coordinates of Ca(La,Gd)_4Si_3O_(13):Tb were found to be (0.286, 0.548) , as compared to (0.230, 0.712) for Zn_2SiO_4: Mn~(2+) as a reference. The potential application of Ca(La,Gd)_4Si_3O_(13) :Tb as a new green-emitting PDP phosphor are being currently improving and evaluating.
机译:为了开发新型的绿色高效PDP荧光粉,研究了Ca(La_(1-xy)Tb_xGd_y)_4Si_3O_(13)荧光粉的合成,VUV光致发光(PL)光谱,光学性质和色度。同步辐射。通过对新型绿色发射的VUV荧光粉进行VUV光谱分析和色度研究,得出了一种优化的成分。 PLE光谱研究表明,Ca(Lai_(1-x-y)Tb_xGd_y)_4Si_3O_(13)在VUV范围内表现出显着的吸收。发现VUV PL强度随着Gd_(3+)掺杂而增强。此外,发现Ca(La,Gd)_4Si_3O_(13):Tb的1931 CIE色度坐标为(0.286,0.548),而以Zn_2SiO_4:Mn〜(2+)为(0.230,0.712) 。 Ca(La,Gd)_4Si_3O_(13):Tb作为新型绿色PDP荧光粉的潜在应用目前正在改善和评估中。

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