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 …

The triplet state of organo-transition metal compounds. Triplet harvesting and singlet harvesting for efficient OLEDs

H Yersin, AF Rausch, R Czerwieniec, T Hofbeck… - Coordination Chemistry …, 2011 - Elsevier
Based on a very comprehensive set of experimental data and on theoretical models, an
understanding of the triplet state properties of organo-transition metal compounds is worked …

Triplet states in organic semiconductors

A Köhler, H Bässler - Materials Science and Engineering: R: Reports, 2009 - Elsevier
Today's technology is not possible without optoelectronic devices such as light-emitting
diodes, transistors and solar cells. These basic units of modern electronic appliances may …

Near-infrared emitting iridium complexes: Molecular design, photophysical properties, and related applications

Y Zhang, J Qiao - Iscience, 2021 - cell.com
Organic light-emitting diodes (OLEDs) have become popular displays from small screens of
wearables to large screens of televisions. In those active-matrix OLED displays …

Management of charges and excitons for high-performance white organic light-emitting diodes

Q Wang, D Ma - Chemical Society Reviews, 2010 - pubs.rsc.org
This tutorial review highlights recent work on white organic light-emitting diodes (WOLEDs)
in view of their potential as the next generation lighting source. It begins with an introduction …

New Design Tactics in OLEDs Using Functionalized 2‐Phenylpyridine‐Type Cyclometalates of Iridium (III) and Platinum (II)

G Zhou, WY Wong, X Yang - Chemistry–An Asian Journal, 2011 - Wiley Online Library
As a result of their outstanding attributes, organic light‐emitting diodes (OLEDs) and white
organic light‐emitting diodes (WOLEDs) have been recognized in recent years as the most …

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 …

Luminescent zinc (II) and copper (I) complexes for high-performance solution-processed monochromic and white organic light-emitting devices

G Cheng, GKM So, WP To, Y Chen, CC Kwok… - Chemical …, 2015 - pubs.rsc.org
The synthesis and spectroscopic properties of luminescent tetranuclear zinc (II) complexes
of substituted 7-azaindoles and a series of luminescent copper (I) complexes containing 7, 8 …