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Multicolored Organic/Inorganic Hybrid Perovskite Light‐Emitting Diodes
Author(s) -
Kim YoungHoon,
Cho Himchan,
Heo Jin Hyuck,
Kim TaeSik,
Myoung NoSoung,
Lee ChangLyoul,
Im Sang Hyuk,
Lee TaeWoo
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.201403751
Subject(s) - materials science , perovskite (structure) , luminance , oled , quenching (fluorescence) , diode , optoelectronics , exciton , layer (electronics) , light emitting diode , chemical engineering , optics , nanotechnology , fluorescence , condensed matter physics , physics , engineering
Bright organic/inorganic hybrid perovskite light‐emitting diodes (PrLEDs) are realized by using CH 3 NH 3 PbBr 3 as an emitting layer and self‐organized buffer hole‐injection layer (Buf‐HIL). The PrLEDs show high luminance, current efficiency, and EQE of 417 cd m −2 , 0.577 cd A −1 , and 0.125%, respectively. Buf‐HIL can facilitate hole injection into CH 3 NH 3 PbBr 3 as well as block exciton quenching.
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