Focus on perovskite emitters in blue light-emitting diodes

被引：78

作者：

Yang, Xiaoyu ^{[1
,2
,3
]}

Ma, Li ^{[1
]}

Yu, Maotao ^{[2
,3
]}

Chen, Hao-Hsin ^{[2
,3
]}

Ji, Yongqiang ^{[2
,3
]}

Hu, An ^{[1
,2
,3
]}

Zhong, Qixuan ^{[2
,3
]}

Jia, Xiaohan ^{[2
,3
]}

Wang, Yanju ^{[2
,3
]}

Zhang, Yuzhuo ^{[4
]}

Zhu, Rui ^{[2
,3
,5
]}

Wang, Xinqiang ^{[2
,3
,5
]}

Lu, Changjun ^{[1
]}

机构：

[1] Leyard Optoelect Co Ltd, Beijing 100091, Peoples R China

[2] Peking Univ, Frontiers Sci Ctr Nanooptoelectron, Sch Phys, State Key Lab Artificial Microstruct & Mesoscop Ph, Beijing 100871, Peoples R China

[3] Peking Univ, Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China

[4] Beijing Univ Chem Technol, Coll Mat Sci & Engn, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

[5] Peking Univ, Yangtze Delta Inst Optoelect, Nantong 226010, Jiangsu, Peoples R China

来源：

LIGHT-SCIENCE & APPLICATIONS | 2023年 / 12卷 / 01期

基金：

中国博士后科学基金; 北京市自然科学基金;

关键词：

CESIUM LEAD HALIDE; ENERGY-TRANSFER; QUANTUM DOTS; EFFICIENT; NANOCRYSTALS; PASSIVATION; PERFORMANCE; EMISSION; DYNAMICS; PLANAR;

D O I：

10.1038/s41377-023-01206-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Blue perovskite light-emitting diodes (PeLEDs) are essential in pixels of perovskite displays, while their progress lags far behind their red and green counterparts. Here, we focus on recent advances of blue PeLEDs and systematically review the noteworthy strategies, which are categorized into compositional engineering, dimensional control, and size confinement, on optimizing microstructures, energy landscapes, and charge behaviors of wide-bandgap perovskite emitters (bandgap >2.5 eV). Moreover, the stability of perovskite blue emitters and related devices is discussed. In the end, we propose a technical roadmap for the fabrication of state-of-the-art blue PeLEDs to chase and achieve comparable performance with the other two primary-color devices.

引用

页数：17

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