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1.中山大学化学学院 生物无机与合成化学教育部重点实验室,光电材料与技术国家重点实验室,广东 广州 510275
2.中山大学 材料科学与工程学院,广东 广州 510275
[ "司帅晨(1996-),男,山西晋城人,博士研究生,2017年于中山大学获得学士学位,主要从事荧光玻璃陶瓷的研究。E-mail: sishch@mail2.sysu.edu.cn" ]
[ "王静(1976-),男,陕西安康人,博士,教授,博士研究生导师,2004年于中国科学院长春应用化学研究所获得博士学位,主要从事固体无机材料、稀土光谱学、照明、显示与新能源发光材料的基础与应用的研究。E-mail: ceswj@mail.sysu.edu.cn" ]
纸质出版日期:2021-10-01,
收稿日期:2021-05-05,
修回日期:2021-05-23,
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司帅晨, 黄霖, 王静. K2SiF6∶Mn4+荧光玻璃陶瓷及其在激光照明中的应用[J]. 发光学报, 2021,42(10):1549-1558.
Shuai-chen SI, Lin HUANG, Jing WANG. K2SiF6∶Mn4+ Luminescent Glass Ceramics Applicable to Laser Lighting[J]. Chinese Journal of Luminescence, 2021,42(10):1549-1558.
司帅晨, 黄霖, 王静. K2SiF6∶Mn4+荧光玻璃陶瓷及其在激光照明中的应用[J]. 发光学报, 2021,42(10):1549-1558. DOI: 10.37188/CJL.20210176.
Shuai-chen SI, Lin HUANG, Jing WANG. K2SiF6∶Mn4+ Luminescent Glass Ceramics Applicable to Laser Lighting[J]. Chinese Journal of Luminescence, 2021,42(10):1549-1558. DOI: 10.37188/CJL.20210176.
面对市场对高功率高质量照明的强烈需求,开发兼具优良发光性能和稳定性的红色荧光玻璃陶瓷来提高白光显色指数(CRI)显得尤为重要。本文采用低温共烧结法制备了一种镶嵌K
2
SiF
6
∶Mn
4+
(KSF)商用红色荧光粉的新型荧光玻璃陶瓷。研究结果表明,共烧结时前驱玻璃熔体对KSF荧光粉的热侵蚀作用较小,荧光粉的发光特性基本得到保持;相比于初始荧光粉,玻璃陶瓷的热猝灭性能得到大幅的改善;构建的激光照明光源在55.56 W/cm
2
蓝光功率密度激发下,光通量为32.77 lm,色温为5073 K
CRI为74.86,色坐标为(0.341
0.321)。经过系统的热管理优化,KSF荧光玻璃陶瓷可望应用于高功率室内照明领域。
Towards the strong market demand for high power
high quality lightings
it is particularly important to develop red fluorescent glass ceramic with excellent optical performance and stability to improve the color rendering index(CRI) of white light. In this work
a glass ceramic embedded with commercial K
2
SiF
6
∶Mn
4+
(KSF) red phosphor was prepared
via
a low-temperature co-sintering method. The results show that the thermal erosion effect of the precursor glass melt on KSF phosphor is limited during co-sintering
so the optical properties of the phosphor are retained. Compared with the initial phosphor
the thermal quenching properties of glass ceramics are greatly improved. The fabricated laser lighting source exhibits lumen of 32.77 lm
correlated color temperature of 5 073 K
CRI of 74.86
and chromaticity coordinate of (0.341
0.321)
under the excitation of 55.56 W/cm
2
blue laser diode(LD) power density. After further optimization of systematic thermal management
KSF fluorescent glass ceramic is expected to be applied in the field of high power indoor lighting.
K2SiF6∶Mn4+玻璃陶瓷低熔点玻璃激光照明
K2SiF6∶Mn4+ phosphor-in-glasslow melting glasslaser lighting
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SIJBOM H F, VERSTRAETE R, JOOS J J, et al. K2SiF6∶Mn4+ as a red phosphor for displays and warm-white LEDs: a review of properties and perspectives[J].Opt. Mater. Express, 2017, 7(9): 3332-3365.
ZHANG X J, YU J B, WANG J, et al. All-inorganic light convertor based on phosphor-in-glass engineering for next-generation modular high-brightness white LEDs/LDs[J].ACS Photonics, 2017, 4(4): 986-995.
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岳相铭, 林航, 林世盛, 等. La3Si6N11∶Ce3+荧光玻璃陶瓷及其在高功率固态照明中的应用[J].发光学报, 2020, 41(12): 1529-1537.
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ZHOU Y Y, YU C K, SONG E H, et al. Three birds with one stone: K2SiF6∶Mn4+ single crystal phosphors for high-power and laser-driven lighting[J].Adv. Opt. Mater., 2020, 8(23): 2000976-1-9.
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LIU H C, MA J H, GONG J H, et al. The structure and properties of SnF2-SnO-P2O5 glasses[J].J. Non-Cryst. Solids, 2015, 419: 92-96.
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