Efficient Visible Quasi-2D Perovskite Light-Emitting Diodes

被引:608
作者
Byun, Jinwoo [1 ]
Cho, Himchan [1 ]
Wolf, Christoph [1 ]
Jang, Mi [2 ]
Sadhanala, Aditya [3 ]
Friend, Richard H. [3 ]
Yang, Hoichang [2 ]
Lee, Tae-Woo [1 ]
机构
[1] Pohang Univ Sci & Technol POSTECH, Dept Mat Sci & Engn, Pohang 37673, South Korea
[2] Inha Univ, Dept Appl Organ Mat Engn, Inchon 22212, South Korea
[3] Univ Cambridge, Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England
基金
新加坡国家研究基金会; 英国工程与自然科学研究理事会;
关键词
layered perovskites; mixed organic ammonium; organic; inorganic hybrid perovskites; organometal halide perovskites; phenylethyl ammonium (PEA) lead bromide; ORGANOMETAL HALIDE PEROVSKITE; EXCITON BINDING-ENERGY; SOLAR-CELLS; PERFORMANCE; DEVICES;
D O I
10.1002/adma.201601369
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Efficient quasi-2D-structure perovskite light-emitting diodes (4.90 cd A(-1)) are demonstrated by mixing a 3D-structured perovskite material (methyl ammonium lead bromide) and a 2D-structured perovskite material (phenylethyl ammonium lead bromide), which can be ascribed to better film uniformity, enhanced exciton confinement, and reduced trap density.
引用
收藏
页码:7515 / 7520
页数:6
相关论文
共 28 条
[1]   The identification, characterization and mitigation of defect states in organic photovoltaic devices: a review and outlook [J].
Carr, John A. ;
Chaudhary, Sumit .
ENERGY & ENVIRONMENTAL SCIENCE, 2013, 6 (12) :3414-3438
[2]   Overcoming the electroluminescence efficiency limitations of perovskite light-emitting diodes [J].
Cho, Himchan ;
Jeong, Su-Hun ;
Park, Min-Ho ;
Kim, Young-Hoon ;
Wolf, Christoph ;
Lee, Chang-Lyoul ;
Heo, Jin Hyuck ;
Sadhanala, Aditya ;
Myoung, NoSoung ;
Yoo, Seunghyup ;
Im, Sang Hyuk ;
Friend, Richard H. ;
Lee, Tae-Woo .
SCIENCE, 2015, 350 (6265) :1222-1225
[3]   Localization of triplet excitons and biexcitons in the two-dimensional semiconductor (CH3C6H4CH2NH3)2PbBr4 [J].
Goto, T ;
Makino, H ;
Yao, T ;
Chia, CH ;
Makino, T ;
Segawa, Y ;
Mousdis, GA ;
Papavassiliou, GC .
PHYSICAL REVIEW B, 2006, 73 (11)
[4]   Enhanced Performance in Fluorene-Free Organometal Halide Perovskite Light-Emitting Diodes using Tunable, Low Electron Affinity Oxide Electron Injectors [J].
Hoye, Robert L. Z. ;
Chua, Matthew R. ;
Musselman, Kevin P. ;
Li, Guangru ;
Lai, May-Ling ;
Tan, Zhi-Kuang ;
Greenham, Neil C. ;
MacManus-Driscoll, Judith L. ;
Friend, Richard H. ;
Credgington, Dan .
ADVANCED MATERIALS, 2015, 27 (08) :1414-+
[5]   OPTICAL-PROPERTIES DUE TO ELECTRONIC-TRANSITIONS IN 2-DIMENSIONAL SEMICONDUCTORS (CNH2N + 1NH3)2PBI4 [J].
ISHIHARA, T ;
TAKAHASHI, J ;
GOTO, T .
PHYSICAL REVIEW B, 1990, 42 (17) :11099-11107
[6]   Two-Dimensional Perovskite Activation with an Organic Luminophore [J].
Jemli, Khaoula ;
Audebert, Pierre ;
Galmiche, Laurent ;
Le Trippe-Allard, Gaelle ;
Garrot, Damien ;
Lauret, Jean-Sebastien ;
Deeporte, Emmanuelle .
ACS APPLIED MATERIALS & INTERFACES, 2015, 7 (39) :21763-21769
[7]   Planar heterojunction organometal halide perovskite solar cells: roles of interfacial layers [J].
Kim, Hobeom ;
Lim, Kyung-Geun ;
Lee, Tae-Woo .
ENERGY & ENVIRONMENTAL SCIENCE, 2016, 9 (01) :12-30
[8]   Multicolored Organic/Inorganic Hybrid Perovskite Light-Emitting Diodes [J].
Kim, Young-Hoon ;
Cho, Himchan ;
Heo, Jin Hyuck ;
Kim, Tae-Sik ;
Myoung, NoSoung ;
Lee, Chang-Lyoul ;
Im, Sang Hyuk ;
Lee, Tae-Woo .
ADVANCED MATERIALS, 2015, 27 (07) :1248-1254
[9]   Efficient Light-Emitting Diodes Based on Nanocrystalline Perovskite in a Dielectric Polymer Matrix [J].
Li, Guangru ;
Tan, Zhi-Kuang ;
Di, Dawei ;
Lai, May Ling ;
Jiang, Lang ;
Lim, Jonathan Hua-Wei ;
Friend, Richard H. ;
Greenham, Neil C. .
NANO LETTERS, 2015, 15 (04) :2640-2644
[10]   Additive Enhanced Crystallization of Solution-Processed Perovskite for Highly Efficient Planar-Heterojunction Solar Cells [J].
Liang, Po-Wei ;
Liao, Chien-Yi ;
Chueh, Chu-Chen ;
Zuo, Fan ;
Williams, Spencer T. ;
Xin, Xu-Kai ;
Lin, Jiangjen ;
Jen, Alex K. -Y. .
ADVANCED MATERIALS, 2014, 26 (22) :3748-3754