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Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes
N. A. Wei; T. C. Lu; F. Li; W. Zhang; B. Y. Ma; Z. W. Lu; J. Q. Qi
2012
发表期刊Applied Physics Letters
ISSN0003-6951
卷号101期号:6
摘要We present our recent achievement of a transparent ceramic able to produce white light when directly combined with commercially available blue light emitting diodes. The photoluminescence properties of ceramic phosphor (Y1-xCex)(3)Al5O12 are studied as a function of doping fraction (x = 0.0005-0.0020). The emission color is tunable by variations of Ce3+ concentration and ceramic phosphor thickness. A maximum luminous efficacy exceeding 93 lm/W at a low correlated color temperature of similar to 4600 K is obtained, which is superior to samples made from commercial phosphor powders. Hence, the present transparent ceramic phosphor is expected to be an ideal candidate for generating white light. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4742896]
部门归属[wei, nian; lu, tiecheng; li, feng; zhang, wei; ma, benyuan; lu, zhongwen; qi, jianqi] sichuan univ, dept phys, minist educ, chengdu 610064, peoples r china. [wei, nian; lu, tiecheng; li, feng; zhang, wei; ma, benyuan; lu, zhongwen; qi, jianqi] sichuan univ, key lab radiat phys & technol, minist educ, chengdu 610064, peoples r china. [lu, tiecheng] chinese acad sci, int ctr mat phys, shenyang 110015, peoples r china.;wei, na (reprint author), sichuan univ, dept phys, minist educ, chengdu 610064, peoples r china.;weinian8888@yahoo.com.cn; lutiecheng@vip.sina.com
关键词Optical-properties Luminescence Emission Color
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文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/60335
专题中国科学院金属研究所
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GB/T 7714
N. A. Wei,T. C. Lu,F. Li,et al. Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes[J]. Applied Physics Letters,2012,101(6).
APA N. A. Wei.,T. C. Lu.,F. Li.,W. Zhang.,B. Y. Ma.,...&J. Q. Qi.(2012).Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes.Applied Physics Letters,101(6).
MLA N. A. Wei,et al."Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes".Applied Physics Letters 101.6(2012).
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