Purely organic thermally activated delayed fluorescence materials for organic light‐emitting diodes

MY Wong, E Zysman‐Colman - Advanced Materials, 2017 - Wiley Online Library
The design of thermally activated delayed fluorescence (TADF) materials both as emitters
and as hosts is an exploding area of research. The replacement of phosphorescent metal …

Recent advances in organic thermally activated delayed fluorescence materials

Z Yang, Z Mao, Z Xie, Y Zhang, S Liu, J Zhao… - Chemical Society …, 2017 - pubs.rsc.org
Organic materials that exhibit thermally activated delayed fluorescence (TADF) are an
attractive class of functional materials that have witnessed a booming development in recent …

Highly efficient deep‐blue OLEDs using a TADF emitter with a narrow emission spectrum and high horizontal emitting dipole ratio

H Lim, HJ Cheon, SJ Woo, SK Kwon… - Advanced …, 2020 - Wiley Online Library
New blue (DBA‐SAB) and deep‐blue (TDBA‐SAF) thermally activated delayed fluorescence
(TADF) emitters are synthesized for blue‐emitting organic‐light emitting diodes (OLEDs) by …

Identification of the Key Parameters for Horizontal Transition Dipole Orientation in Fluorescent and TADF Organic Light‐Emitting Diodes

F Tenopala‐Carmona, OS Lee, E Crovini… - Advanced …, 2021 - Wiley Online Library
In organic light‐emitting diodes (OLEDs), horizontal orientation of the emissive transition
dipole moment (TDM) can improve light outcoupling efficiency by up to 50% relative to …

Boosting external quantum efficiency to 38.6% of sky-blue delayed fluorescence molecules by optimizing horizontal dipole orientation

Y Fu, H Liu, D Yang, D Ma, Z Zhao, BZ Tang - Science Advances, 2021 - science.org
To achieve high electroluminescence efficiency, great efforts are devoted to enhancing
photoluminescence quantum yield (ΦPL) and exciton utilization of luminescent molecule …

Origin and control of orientation of phosphorescent and TADF dyes for high‐efficiency OLEDs

KH Kim, JJ Kim - Advanced Materials, 2018 - Wiley Online Library
It has been known for decades that the emitting dipole orientation (EDO) of emitting dyes
influences the outcoupling efficiency of organic light‐emitting diodes (OLEDs). However, the …

Perspective on carbazole-based organic compounds as emitters and hosts in TADF applications

B Wex, BR Kaafarani - Journal of Materials Chemistry C, 2017 - pubs.rsc.org
The field of organic light-emitting devices (OLEDs) has undergone a remarkable journey
since its discovery by Tang and VanSlyke with an alternation of utilizing fluorescence and …

Small‐molecule emitters with high quantum efficiency: mechanisms, structures, and applications in OLED devices

Q Wei, N Fei, A Islam, T Lei, L Hong… - Advanced Optical …, 2018 - Wiley Online Library
Organic emitters play a vital role in determining the overall performance of organic light
emitting diode (OLED) devices. Traditional fluorescent emitters can only achieve external …

Recent development of phenanthroimidazole-based fluorophores for blue organic light-emitting diodes (OLEDs): an overview

J Tagare, S Vaidyanathan - Journal of Materials Chemistry C, 2018 - pubs.rsc.org
The imminent global energy crisis and continuing inefficient energy utilization are driving the
development of smart energy-efficient devices for display and lighting applications. Energy …

High-efficiency organic light-emitting diodes with exciplex hosts

Q Wang, QS Tian, YL Zhang, X Tang… - Journal of Materials …, 2019 - pubs.rsc.org
Exciplex forming co-hosts have been applied to fabricate high-efficiency organic light-
emitting diodes (OLEDs) due to the merits of bipolarity, 100% exciton harvesting, preferred …