Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr<sub>3</sub> Perovskite Quantum Dots

Lu CHEN; Fang LEI; Ying SHI; Lu-qiao YIN; Jian-jun XIE; Ling-cong FAN; Lei ZHANG

doi:10.37188/fgxb20204108.0945

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Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr₃ Perovskite Quantum Dots

Synthesis and Properties of Materials | 更新时间：2020-09-10

- Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr₃ Perovskite Quantum Dots
- Chinese Journal of Luminescence Vol. 41, Issue 8, Pages: 945-953(2020)
- 作者机构：
  
  1.上海大学材料科学与工程学院, 上海 200444
  2.上海大学新型显示技术与应用集成教育部重点实验室, 上海 200072
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;National Natural Science Foundation of
- DOI：10.37188/fgxb20204108.0945
  CLC： O482.31
- Received：06 June 2020，
  
  Accepted：22 June 2020，
  
  Published：2020-08
- 稿件说明：
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Lu CHEN, Fang LEI, Ying SHI, et al. Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr₃ Perovskite Quantum Dots[J]. Chinese journal of luminescence, 2020, 41(8): 945-953.
DOI：

Lu CHEN, Fang LEI, Ying SHI, et al. Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr₃ Perovskite Quantum Dots[J]. Chinese journal of luminescence, 2020, 41(8): 945-953. DOI： 10.37188/fgxb20204108.0945.

摘要

采用热处理烧结方法制备了含CsPbBr

钙钛矿量子点的硅酸盐基氟氧化物玻璃陶瓷（SiO

-Al

-Li

O-AlF

-LiF）。通过X射线衍射分析了玻璃的自析晶现象与量子点生长之间的关系；TEM透射电镜分析了量子点的形貌特征；荧光光谱、吸收光谱和CIE色坐标等表征分析了量子点的发光特性。结果表明，最佳条件制备得到的含CsPbBr

量子点的玻璃陶瓷材料可实现512 nm强绿光发射，半峰宽22.80 nm。将该玻璃陶瓷与365 nm紫外芯片封装构建绿光发光二极管（LED），有望替代绿色荧光粉成为新型固体发光领域的关键材料。

Abstract

With an elaborate design

the silicate-based oxyfluoride glass ceramic with the composition of SiO

-Al

-Li

O-AlF

-LiF containing CsPbBr

perovskite quantum dots was obtained by the re-heat treatment method. Impressively

controllable crystallization of the glass matrix and CsPbBr

nanocrystal taking place in the glass ceramic were investigated by XRD. The microstructure characterizations of the CsPbBr

nanocrystal were tested by TEM. The PL spectra

absorption spectra and CIE color coordinates were used to analyze the luminescence properties of CsPbBr

quantum dots. As a result

the PL of the CsPbBr

glass ceramic under optimum conditions shows robust green emission at 512 nm with narrow full width at half maximum(FWHM of 22.80 nm). The light emitting diode (LED) which was encapsulated by coupling the green-emitting CsPbBr

glass ceramic with a 365 nm ultraviolet chip is expected to replace the traditional green phosphor as the key material in the field of new solid luminescent materials.

关键词

Keywords

references

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Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr3 Perovskite Quantum Dots

DOI：10.37188/fgxb20204108.0945

摘要

Abstract

关键词

Keywords

references

Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr₃ Perovskite Quantum Dots