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Quantum Dot Light‐Emitting Diodes Based on Inorganic Perovskite Cesium Lead Halides (CsPbX 3 )
Author(s) -
Song Jizhong,
Li Jianhai,
Li Xiaoming,
Xu Leimeng,
Dong Yuhui,
Zeng Haibo
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201502567
Subject(s) - quantum dot , perovskite (structure) , optoelectronics , materials science , light emitting diode , diode , nanocrystal , halide , photodetector , laser , nanotechnology , physics , optics , crystallography , chemistry , inorganic chemistry
Novel quantum‐dot light‐emitting diodes based on all‐inorganic perovskite CsPbX 3 (X = Cl, Br, I) nanocrystals are reported. The well‐dispersed, single‐crystal quantum dots (QDs) exhibit high quantum yields, and tunable light emission wavelength. The demonstration of these novel perovskite QDs opens a new avenue toward designing optoelectronic devices, such as displays, photodetectors, solar cells, and lasers.