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Adv Mater. 2015 Feb 18;27(7):1248-54. doi: 10.1002/adma.201403751. Epub 2014 Nov 25.

Multicolored organic/inorganic hybrid perovskite light-emitting diodes.

Author information

1
Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyungbuk, 790-784, Republic of Korea.

Abstract

Bright organic/inorganic hybrid perov-skite light-emitting diodes (PrLEDs) are realized by using CH3 NH3 PbBr3 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 CH3 NH3 PbBr3 as well as block exciton quenching.

KEYWORDS:

electroluminescence; hole-injection layers; light-emitting diodes; organic/inorganic hybrids; perovskites

PMID:
25420784
DOI:
10.1002/adma.201403751

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