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New yellow Ba0.93Eu0.07Al2O4 phosphor for warm-white light-emitting diodes through single-emitting-center conversion
Li, XF; Budai, JD; Liu, F; Howe, JY; Zhang, JH; Wang, XJ; Gu, ZJ; Sun, CJ; Meltzer, RS; Pan, ZW;谷战军;
2013
发表期刊LIGHT-SCIENCE & APPLICATIONS
卷号2页码:e50
摘要Phosphor-converted white light-emitting diodes for indoor illumination need to be warm-white (i.e., correlated color temperature, 4000 K) with good color rendition (i.e., color rendering index >80). However, no single-phosphor, single-emitting-center-converted white light-emitting diodes can simultaneously satisfy the color temperature and rendition requirements due to the lack of sufficient red spectral component in the phosphors' emission spectrum. Here, we report a new yellow Ba0.93Eu0.07Al2O4 phosphor that has a new orthorhombic lattice structure and exhibits a broad yellow photoluminescence band with sufficient red spectral component. Warm-white emissions with correlated color temperature,4000 K and color rendering index >80 were readily achieved when combining the Ba0.93Eu0.07Al2O4 phosphor with a blue light-emitting diode (440-470 nm). This study demonstrates that warm-white light-emitting diodes with high color rendition (i.e., color rendering index >80) can be achieved based on single-phosphor, single-emitting-center conversion.
关键词luminescence single-phosphor-conversion warm-white light-emitting diode yellow phosphor
学科领域Optics
DOI10.1038/lsa.2013.6
收录类别SCI
WOS记录号WOS:000324466200004
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被引频次:227[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224731
专题多学科研究中心
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GB/T 7714
Li, XF,Budai, JD,Liu, F,et al. New yellow Ba0.93Eu0.07Al2O4 phosphor for warm-white light-emitting diodes through single-emitting-center conversion[J]. LIGHT-SCIENCE & APPLICATIONS,2013,2:e50.
APA Li, XF.,Budai, JD.,Liu, F.,Howe, JY.,Zhang, JH.,...&Pan, ZW;谷战军;.(2013).New yellow Ba0.93Eu0.07Al2O4 phosphor for warm-white light-emitting diodes through single-emitting-center conversion.LIGHT-SCIENCE & APPLICATIONS,2,e50.
MLA Li, XF,et al."New yellow Ba0.93Eu0.07Al2O4 phosphor for warm-white light-emitting diodes through single-emitting-center conversion".LIGHT-SCIENCE & APPLICATIONS 2(2013):e50.
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