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您的检索式：作者名="Youkui ZHENG"
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| 1 | NUV-pumped luminescence of thermally stable samarium-activated alkali metal borophosphate phosphor显示文摘Exploring outstanding rare-earth activated inorganic phosphors with good thermostability has always been a research focus for high-power white light-emitting diodes(LEDs).In this study,we report a Sm^(3+)-activated KNa_(4)B_(2)P_(3)O_(13)(KNBP)powder phase.Its particle morphology,photoluminescence properties,concentration quenching mechanism,thermal quenching mechanism,and chromatic properties are demonstrated.Upon the near-ultraviolet(NUV)irradiation of 402 nm,the powder phase exhibits orange-red visible luminescence performance,originating from typical ^(4)G_(5/2)→^(6)H_(J/2)(J=5,7,9)transitions of Sm^(3+).Importantly,the photoluminescence performance has good thermostability,low correlated color temperature(CCT),and high color purity(CP),indicating its promising application in the NUV-pumped warm white LEDs. | Zhenyu FANG Dan YANG Youkui ZHENG Jialiang SONG Tongsheng YANG Ruitong SONG Yuefei XIANG Jing ZHU | 2021 | Journal of Advanced Ceramics2021，10，5： | 0 |
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