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High Efficiency Composite Metal Oxide‐Polymer Electroluminescent Devices: A Morphological and Material Based Investigation
Author(s) -
Kabra Dinesh,
Song Myoung Hoon,
Wenger Bernard,
Friend Richard H.,
Snaith Henry J.
Publication year - 2008
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.200800202
Subject(s) - materials science , electroluminescence , composite number , brightness , polymer , optoelectronics , oxide , diode , metal , mesoporous material , composite material , optics , metallurgy , layer (electronics) , biochemistry , chemistry , physics , catalysis
Composite metaloxide polymer based electroluminescent diodes are designed to obtain air stable operation along with sub‐volt turn on and high brightness. We investigate different structures (mesoporous and compact) and different materials (TiO 2 and ZnO) for electron injecting layers, and employ MoO 3 for hole injecting layers. The highest efficiencies, close to 3 Cd A −1 , are achieved using compact ZnO.
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