Efficiency roll‐off in organic light‐emitting diodes

C Murawski, K Leo, MC Gather - Advanced Materials, 2013 - Wiley Online Library
Organic light‐emitting diodes (OLEDs) have attracted much attention in research and
industry thanks to their capability to emit light with high efficiency and to deliver high‐quality …

Recent progress of molecular organic electroluminescent materials and devices

LS Hung, CH Chen - Materials Science and Engineering: R: Reports, 2002 - Elsevier
Electroluminescent devices based on organic materials are of considerable interest owing to
their attractive characteristics and potential applications to flat panel displays. After a brief …

Magnetic‐field effects in organic semiconducting materials and devices

B Hu, L Yan, M Shao - Advanced Materials, 2009 - Wiley Online Library
It has been experimentally discovered that a low magnetic field (less than 500 mT) can
substantially change the electroluminescence, photoluminescence, photocurrent, and …

Tuning magnetoresistance between positive and negative values in organic semiconductors

B Hu, Y Wu - Nature materials, 2007 - nature.com
Magnetic-field-dependent injection current, namely magnetoresistance, is readily
observable in organic semiconductor devices. This provides a non-contact approach to tune …

Quantum efficiency roll-off at high brightness in fluorescent and phosphorescent organic light emitting diodes

NC Giebink, SR Forrest - Physical Review B—Condensed Matter and …, 2008 - APS
A general technique is demonstrated to quantify the contribution of monomolecular and
bimolecular quenching processes to the external quantum efficiency (EQE) roll-off in organic …

Quenching effects in organic electrophosphorescence

J Kalinowski, W Stampor, J Mȩżyk, M Cocchi, D Virgili… - Physical Review B, 2002 - APS
We examine various electronic processes that underlie the quenching of the emission from
highly efficient phosphorescent and electrophosphorescent organic solid-state molecular …

[图书][B] Organic Light-Emitting Diodes: Principles, Characteristics & Processes

J Kalinowski - 2018 - taylorfrancis.com
Organic Light Emitting Diodes: Principles, Characteristics, and Processes presents recent
developments in organic electroluminescence and their application to light emitting diodes …

[图书][B] Organic electroluminescence

ZH Kafafi - 2018 - taylorfrancis.com
Organic light-emitting diode (OLED) technology has achieved significant penetration in the
commercial market for small, low-voltage and inexpensive displays. Present and future …

[PDF][PDF] Magneto‐optical studies on spin‐dependent charge recombination and dissociation in perovskite solar cells

YC Hsiao, T Wu, M Li, B Hu - Advanced Materials, 2015 - researchgate.net
DOI: 10.1002/adma. 201405946 high photoexcitation intensity can lead to room-temperature
magneto-photoluminescence and magneto-photocurrent with negative and positive signs …

White organic LEDs and their recent advancements

A Misra, P Kumar, MN Kamalasanan… - Semiconductor …, 2006 - iopscience.iop.org
White organic light emitting devices (WOLEDs) are being considered as substitutes for
conventional white light sources. They are efficient solid-state lighting sources and their …