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Journal of Advanced Ceramics 2021, 10(5): 1072-1081 https://doi.org/10.1007/s40145-021-0492-z
Research Article | Open Access | Issue | Published: 15 September 2021

NUV-pumped luminescence of thermally stable samarium-activated alkali metal borophosphate phosphor

Show Author's Information Zhenyu FANG,  Dan YANG,  Youkui ZHENG,  Jialiang SONG,  Tongsheng YANG,  Ruitong SONG,  Yuefei XIANG,  Jing ZHU( )
Key Laboratory of LCR Materials and Devices of Yunnan Province, National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, China
Keywords:
concentration quenching, KNa4B2P3O13 (KNBP), Sm3+ luminescence, thermostability
Cite this article:
FANG Z, YANG D, ZHENG Y, et al. NUV-pumped luminescence of thermally stable samarium-activated alkali metal borophosphate phosphor. Journal of Advanced Ceramics, 2021, 10(5): 1072-1081. https://doi.org/10.1007/s40145-021-0492-z
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Abstract Full text Electronic supplementary material About this article

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 Sm3+-activated KNa4B2P3O13 (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 4G5/2→6HJ/2 (J = 5, 7, 9) transitions of Sm3+. 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.


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Electronic supplementary material
About this article

NUV-pumped luminescence of thermally stable samarium-activated alkali metal borophosphate phosphor

Show Author's information Zhenyu FANG, Dan YANG, Youkui ZHENG, Jialiang SONG, Tongsheng YANG, Ruitong SONG, Yuefei XIANG, Jing ZHU( )
Key Laboratory of LCR Materials and Devices of Yunnan Province, National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, China

Abstract

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 Sm3+-activated KNa4B2P3O13 (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 4G5/2→6HJ/2 (J = 5, 7, 9) transitions of Sm3+. 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.

Keywords: concentration quenching, KNa4B2P3O13 (KNBP), Sm3+ luminescence, thermostability

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Publication history

Received: 02 March 2021
Revised: 28 April 2021
Accepted: 03 May 2021
Published: 15 September 2021
Issue date: October 2021

Copyright

© The Author(s) 2021

Acknowledgements

This study is financially supported by the National Natural Science Foundation of China (Nos. 21761034 and 22165031), the Open Foundation of Key Laboratory for Micro/Nano Materials & Technology of Yunnan Province (No. 2021KF01), and the Program for Excellent Young Talents, Yunnan University. We thank Advanced Analysis and Measurement Center of Yunnan University for the sample testing service.

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