Rec.2020 Standard Green Light Emitting CsPbBr<sub>3 </sub>Nanocrystal Composites Based on Synergistic Induction Growth of BNQD and Glutaric Acid

LIU Hanqiang; TU Yonghua; WEI Junqing; XIE Yangyang

doi:10.37188/CJL.20250003

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Rec.2020 Standard Green Light Emitting CsPbBr₃Nanocrystal Composites Based on Synergistic Induction Growth of BNQD and Glutaric Acid

Research Letter | 更新时间：2025-04-21

- Rec.2020 Standard Green Light Emitting CsPbBr₃Nanocrystal Composites Based on Synergistic Induction Growth of BNQD and Glutaric Acid
  增强出版
- Chinese Journal of Luminescence Vol. 46, Issue 4, Pages: 658-664(2025)
- 作者机构：
  
  天津理工大学集成电路科学与工程学院薄膜电子与通信器件天津市重点实验室，天津 300384
- 作者简介：
- 基金信息：
  
  Natural Science Foundation of Tianjin City(22JCQNJC00910);Graduate Research Innovation Practice Project of the Tianjin University of Technology(YJ2319)
- DOI：10.37188/CJL.20250003
  CLC： O482.31
- CSTR：32170. 14. CJL. 20250003
- Received：03 January 2025，
  
  Revised：23 January 2025，
  
  Published：25 April 2025
- 稿件说明：
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刘汉强,涂永华,魏俊青等.BN量子点与双戊酸协同诱导生长的Rec.2020标准绿光CsPbBr₃纳米晶复合材料[J].发光学报,2025,46(04):658-664.

LIU Hanqiang,TU Yonghua,WEI Junqing,et al.Rec.2020 Standard Green Light Emitting CsPbBr₃Nanocrystal Composites Based on Synergistic Induction Growth of BNQD and Glutaric Acid[J].Chinese Journal of Luminescence,2025,46(04):658-664.
刘汉强,涂永华,魏俊青等.BN量子点与双戊酸协同诱导生长的Rec.2020标准绿光CsPbBr₃纳米晶复合材料[J].发光学报,2025,46(04):658-664. DOI： 10.37188/CJL.20250003. CSTR： 32170. 14. CJL. 20250003.

LIU Hanqiang,TU Yonghua,WEI Junqing,et al.Rec.2020 Standard Green Light Emitting CsPbBr₃Nanocrystal Composites Based on Synergistic Induction Growth of BNQD and Glutaric Acid[J].Chinese Journal of Luminescence,2025,46(04):658-664. DOI： 10.37188/CJL.20250003. CSTR： 32170. 14. CJL. 20250003.

摘要

CsPbBr

钙钛矿纳米晶具备出色的绿光发光特性和低成本制备优势，是有望满足超高清显示色域的重要材料。然而，由于元素成分比例和尺寸控制等多因素影响，CsPbBr

钙钛矿纳米晶难以在530 nm附近形成窄绿光发射，从而与Rec.2020色域要求的标准绿光存在明显偏差。基于此，本工作在室温下以配体辅助再沉淀法为基础，通过在前驱体溶液中引入氮化硼量子点和双戊酸配体协同诱导纳米晶生长，合成了CsPbBr

@BNQD纳米晶复合材料。双戊酸配体在纳米晶表面的锚定作用和BNQD纳米晶的宽禁带特性，使得所制备CsPbBr

@BNQD纳米晶复合材料形成525 nm处的窄绿光发射，其半峰全宽为15.9 nm，发光效率高达78%，其CIE坐标（0.161，0.790）与Rec.2020标准绿色坐标几乎完全重合。此外，CsPbBr

@BNQD纳米晶复合材料在LED片上封装应用中表现出良好的老化稳定性，为超高清显示的标准绿光技术提供了有效方案。

Abstract

CsPbBr

perovskite nanocrystals possess outstanding green light emission and low-cost preparation， making them important materials that are expected to meet the color gamut requirements for ultra-high-definition displays. However， due to the influence of multiple factors such as the elemental composition ratio and size control， it is difficult for CsPbBr

perovskite nanocrystals to form narrow green light emission near 530 nm， thus resulting in a significant deviation from the standard green light required by the Rec.2020 color gamut. In this work， CsPbBr

@BNQD nanocrystal composites were synthesized by introducing boron nitride quantum dots （BNQD） and glutaric acid ligands into the precursor solution of ligand-assisted reprecipitation to synergistically induce the growth of nanocrystals. The anchoring effect of glutaric acid ligands on the surface of nanocrystals and the wide bandgap characteristics of BNQD nanocrystals enable the prepared CsPbBr

@BNQD nanocrystal composites to exhibit narrow gre

en light emission at 525 nm with a full width at half maximum （FWHM） of 15.9 nm and a high luminous efficiency of 78%. Moreover， its CIE coordinates （0.161， 0.790） basically coincide with the standard green coordinates of Rec.2020. In addition， the CsPbBr

@BNQD nanocrystal composites demonstrate good aging stability in the LED on-chip packaging application， providing an effective solution for the standard green light technology in ultra-high-definition displays.

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Keywords

references

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Rec.2020 Standard Green Light Emitting CsPbBr3 Nanocrystal Composites Based on Synergistic Induction Growth of BNQD and Glutaric Acid

DOI：10.37188/CJL.20250003

摘要

Abstract

关键词

Keywords

references

Rec.2020 Standard Green Light Emitting CsPbBr₃Nanocrystal Composites Based on Synergistic Induction Growth of BNQD and Glutaric Acid