A potential single-phased white-emitting LiBaBO_3:Ce^(3+), Eu^(2+) phosphor for white LEDs 被引量：8

A potential single-phased white-emitting LiBaBO_3:Ce^(3+), Eu^(2+) phosphor for white LEDs

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摘要 Ce3+/Eu2+ co-doped LiBaBO3 phosphor was synthesized by high temperature solid-state reaction method, and its luminescent character- istics were investigated. The hues of the LiBaBO3:Ce3+, Eu2+ phosphor varies from blue to white and eventually to yellow-green by properly tuning the Ce3+/Eu2+ ratio. Under UV excitation, white light was generated by coupling blue and yellow-green emission bands attributed to Ce3+ and Eu2+ emissions, respectively. The luminous efficacy of LiBaBO3:1%Ce3+, 2%Eu2+ calculated from ... Ce3+/Eu2+ co-doped LiBaBO3 phosphor was synthesized by high temperature solid-state reaction method, and its luminescent character- istics were investigated. The hues of the LiBaBO3:Ce3+, Eu2+ phosphor varies from blue to white and eventually to yellow-green by properly tuning the Ce3+/Eu2+ ratio. Under UV excitation, white light was generated by coupling blue and yellow-green emission bands attributed to Ce3+ and Eu2+ emissions, respectively. The luminous efficacy of LiBaBO3:1%Ce3+, 2%Eu2+ calculated from ...

作者李盼来王志军杨志平郭庆林

机构地区 College of Physics Science & Technology

出处《Journal of Rare Earths》 SCIE EI CAS CSCD 2010年第4期523-525,共3页 稀土学报（英文版）

基金 Project supported by the National Natural Science Foundation of China (50902042) the Natural Science Foundation of Hebei Province, China (E2009000209, E2010000283) the Research Foundation of Education Bureau of Hebei Province, China (2009313)

关键词 white LED LiBaBO3:Eu2+ Ce3+ luminescent characteristics rare earths white LED LiBaBO3:Eu2+ Ce3+ luminescent characteristics rare earths

分类号 TN104.3 [电子电信—物理电子学]

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