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1.五邑大学 应用物理与材料学院,广东 江门 529020
2.华南农业大学 材料与能源学院,广东 广州 510642
Published:2021-12,
Received:19 August 2021,
Revised:07 September 2021,
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DONG WANG, YUE-MEI LAN, QUAN LIU, et al. Preparation and Stability of CsPbBr3 Perovskite Quantum Dots Glass for White LED. [J]. Chinese journal of luminescence, 2021, 42(12): 1863-1871.
DONG WANG, YUE-MEI LAN, QUAN LIU, et al. Preparation and Stability of CsPbBr3 Perovskite Quantum Dots Glass for White LED. [J]. Chinese journal of luminescence, 2021, 42(12): 1863-1871. DOI: 10.37188/CJL.20210268.
CsPbBr
3
钙钛矿量子点(PQDs)在光、热、空气中会发生不同程度的降解,导致严重的荧光猝灭,限制了其在光电器件中的应用。本文采用传统的熔融淬火和热处理方法,将CsPbBr
3
PQDs与锌硼硅酸盐玻璃复合,成功制备了CsPbBr
3
PQDs@glass复合发光材料。研究表明,CsPbBr
3
PQDs@glass的发射峰峰值为520 nm,半峰宽(FWHM)为20 nm,是一种绿光发射材料。同时该材料具有良好的光和水稳定性,蓝光下连续照射30 d,发光强度仅降低了约4%,水中浸泡30 d,其发光强度仍能保持初始强度的95%。此外,利用CsPbBr
3
PQDs@glass成功封装了白光LED器件,说明该材料在照明和显示领域具有潜在的应用前景。
CsPbBr
3
perovskite quantum dots(PQDs)will degrade in different degrees in light
heat and air
which limits their application in optoelectronic devices. In this paper
the CsPbBr
3
PQDs@glass was successfully prepared by traditional melting quenching and heat treatment methods
in which CsPbBr
3
PQDs and zinc borosilicate glass were composited. The results show that the CsPbBr
3
PQDs@glass is a kind of green emission material peaked at 520 nm with a half peak width (FWHM) of 20 nm. At the same time
the material has good light and water stability. After continuous irradiation under blue light for 30 d
the emission intensity is only reduced by about 4%. After soaking in water for 30 d
the emission intensity can still maintain 95% of its initial intensity. In addition
the white LED device is successfully encapsulated by the composite
which shows that the material has potential application in the field of lighting and display.
CsPbBr3钙钛矿量子点锌硼硅酸盐玻璃白光LED器件
CsPbBr3perovskite quantum dotszinc borosilicate glasswhite LED
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