Investigation on violet/blue all-inorganic light-emitting diodes based on CsPbCl3 films

被引：17

作者：

Bai, Liyuan ^{[1
]}

Wang, Shenwei ^{[1
]}

Zhang, Yanwei ^{[1
]}

Zhang, Kexin ^{[1
]}

Li, Hao ^{[1
]}

Ou, Kai ^{[1
]}

Yi, Lixin ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Inst Optoelect Technol, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2020年 / 226卷

基金：

中国国家自然科学基金;

关键词：

CsPbCl3; LEDs; Violet/blue; Electroluminescence; All-inorganic; CSPBX3; X; PEROVSKITES; BR; CRYSTALLIZATION; CL;

D O I：

10.1016/j.jlumin.2020.117422

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Inorganic lead halide perovskites have gained extensive attention in a variety of optoelectronic applications. Herein, we prepared CsPbCl3 films with high crystallinity by thermal evaporation method and attempted to produce all-inorganic CsPbCl3 violet/blue LEDs for the first time. To enhance the luminescence performance, the influence of CsPbCl(3 )films thickness was discussed. The turn-on voltage of the device was about 3 V and current density could reach the maximum with high brightness at forward bias of 6 V. This work not only demonstrated a facile strategy to prepare high-quality CsPbCl3 perovskite films, but also provided an important insight in blue LEDs based on CsPbCl3 materials.

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页数：5

相关论文

共 37 条

[21] CsPbX3 Quantum Dots for Lighting and Displays: Room-Temperature Synthesis, Photoluminescence Superiorities, Underlying Origins and White Light-Emitting Diodes [J].

Li, Xiaoming ;

Wu, Ye ;

Zhang, Shengli ;

Cai, Bo ;

Gu, Yu ;

Song, Jizhong ;

Zeng, Haibo .

ADVANCED FUNCTIONAL MATERIALS, 2016, 26 (15) :2435-2445

[22] Photoelectrochemically Active and Environmentally Stable CsPbBr3/TiO2Core/Shell Nanocrystals [J].

Li, Zhi-Jun ;

Hofman, Elan ;

Li, Jian ;

Davis, Andrew Hunter ;

Tung, Chen-Ho ;

Wu, Li-Zhu ;

Zheng, Weiwei .

ADVANCED FUNCTIONAL MATERIALS, 2018, 28 (01)

[23] Hole Transport Layer Free Inorganic CsPbIBr2 Perovskite Solar Cell by Dual Source Thermal Evaporation [J].

Ma, Qingshan ;

Huang, Shujuan ;

Wen, Xiaoming ;

Green, Martin A. ;

Ho-Baillie, Anita W. Y. .

ADVANCED ENERGY MATERIALS, 2016, 6 (07)

[24] Amorphous film thickness dependence for epitaxy of perovskite oxide films under excimer laser irradiation [J].

Nakajima, Tomohiko ;

Tsuchiya, Tetsuo ;

Ichihara, Masaki ;

Nagai, Hideaki ;

Kumagai, Toshiya .

APPLIED SURFACE SCIENCE, 2009, 255 (24) :9775-9778

[25] Extracting phosphor-scattered photons to improve white LED efficiency [J].

Narendran, N ;

Gu, Y ;

Freyssinier-Nova, JP ;

Zhu, Y .

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 2005, 202 (06) :R60-R62

[26] Fast Anion-Exchange in Highly Luminescent Nanocrystals of Cesium Lead Halide Perovskites (CsPbX3, X = Cl, Br, I) [J].

Nedelcu, Georgian ;

Protesescu, Loredana ;

Yakunin, Sergii ;

Bodnarchuk, Maryna I. ;

Grotevent, Matthias J. ;

Kovalenko, Maksym V. .

NANO LETTERS, 2015, 15 (08) :5635-5640

[27]

Qian L, 2011, NAT PHOTONICS, V5, P543, DOI [10.1038/NPHOTON.2011.171, 10.1038/nphoton.2011.171]

[28] White LED Based on YAG: Ce,Gd Phosphor and CdSe-ZnS Core/Shell Quantum Dots [J].

Shen, Chang-yu ;

Li, Ke ;

Hou, Qiang-long ;

Feng, Hua-jun ;

Dong, Xin-yong .

IEEE PHOTONICS TECHNOLOGY LETTERS, 2010, 22 (12) :884-886

[29] Quantum Dot Light-Emitting Diodes Based on Inorganic Perovskite Cesium Lead Halides (CsPbX3) [J].

Song, Jizhong ;

Li, Jianhai ;

Li, Xiaoming ;

Xu, Leimeng ;

Dong, Yuhui ;

Zeng, Haibo .

ADVANCED MATERIALS, 2015, 27 (44) :7162-+

[30] Recombination Kinetics in Organic-Inorganic Perovskites: Excitons, Free Charge, and Subgap States [J].

Stranks, Samuel D. ;

Burlakov, Victor M. ;

Leijtens, Tomas ;

Ball, James M. ;

Goriely, Alain ;

Snaith, Henry J. .

PHYSICAL REVIEW APPLIED, 2014, 2 (03)

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