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Fluorescent Organic Planar pn Heterojunction Light‐Emitting Diodes with Simplified Structure, Extremely Low Driving Voltage, and High Efficiency
Author(s) -
Chen Dongcheng,
Xie Gaozhan,
Cai Xinyi,
Liu Ming,
Cao Yong,
Su ShiJian
Publication year - 2016
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.201504290
Subject(s) - materials science , optoelectronics , oled , diode , planar , heterojunction , fluorescence , quantum efficiency , exciton , radiative transfer , simple (philosophy) , low voltage , voltage , layer (electronics) , nanotechnology , computer science , optics , electrical engineering , physics , computer graphics (images) , quantum mechanics , philosophy , epistemology , engineering
Fluorescent organic light‐emitting diodes capable of radiative utilization of both singlet and triplet excitons are achieved via a simple double‐layer planar pn heterojunction configuration without a conventional emission layer, leading to high external quantum efficiency above 10% and extremely low driving voltages close to the theoretical minima.