High color purity phosphors of LaAlGe2O7 doped with Tm3+ and Er3+
作者： Yu-Chun Li , Yen-Hwei Chang , Yu-Feng Lin , Yi-Jing Lin , Yee-Shin Chang
DOI: 10.1063/1.2337275
关键词: Chromaticity 、 Dominant wavelength 、 Blue emission 、 Phosphor 、 Doping 、 Optics 、 High color 、 Materials science 、 Narrow band 、 Optoelectronics 、 Color purity 、 Physics and Astronomy (miscellaneous)
摘要: Phosphors of LaAlGe2O7 doped with Tm3+ and Er3+ high color purity, exhibiting a narrow band emission in the blue green regions, were obtained. (La1−xLnx)AlGe2O7 (Ln=Tm,Er) powders are bright emitters, chromaticity coordinates that comparable to or better than those standard phosphors for display lighting devices. The Tm3+-doped phosphor had CIE (0.151, 0.033) dominant wavelength 455nm purity 94%. Er3+-doped (0.249, 0.718), 542nm, 92% purity.
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