Fluorescent Organic Planar pn Heterojunction Light-Emitting Diodes with Simplified Structure, Extremely Low Driving Voltage, and High Efficiency

Fluorescent Organic Planar pn Heterojunction Light-Emitting Diodes with Simplified Structure, Extremely Low Driving Voltage, and High Efficiency

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 lo...

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Veröffentlicht in:Advanced materials (Weinheim) 2016-01, Vol.28 (2), p.239-244
Hauptverfasser: Chen, Dongcheng, Xie, Gaozhan, Cai, Xinyi, Liu, Ming, Cao, Yong, Su, Shi-Jian
Format: Artikel
Sprache:eng
Schlagworte:
double-layer devices
Electric potential
Emission
Excitons
Fluorescence
Heterojunctions
Minima
organic light-emitting diodes
pn heterojunctions
triplet harvesting
Utilization
Voltage
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Zusammenfassung: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201504290