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 polymer organic light-emitting diodes (PLED) using non-conjugated polymers as the emitting layer and contrasting them with conjugated …

MY Wong - Journal of Electronic Materials, 2017 - Springer
Polymer organic light-emitting diodes (PLED) are one of the most studied subjects in flexible
electronics thanks to their economical wet fabrication procedure for enhanced price …

Direct observation of excimer-mediated intramolecular electron transfer in a cofacially-stacked perylene bisimide pair

J Sung, A Nowak-Król, F Schlosser… - Journal of the …, 2016 - ACS Publications
We have elucidated excimer-mediated intramolecular electron transfer in cofacially stacked
PBIs tethered by two phenylene-butadiynylene loops. The electron transfer between …

Excimer evolution hampers symmetry-broken charge-separated states

E Sebastian, J Sunny, M Hariharan - Chemical Science, 2022 - pubs.rsc.org
Achieving long-lived symmetry-broken charge-separated states in chromophoric assemblies
is quintessential for enhanced performance of artificial photosynthetic mimics. However, the …

Benzimidazobenzothiazole‐based bipolar hosts to harvest nearly all of the excitons from blue delayed fluorescence and phosphorescent organic light‐emitting diodes

LS Cui, JU Kim, H Nomura, H Nakanotani… - Angewandte …, 2016 - Wiley Online Library
Much effort has been devoted to develo** highly efficient organic light‐emitting diodes
(OLEDs) that function through phosphorescence or thermally activated delayed …

The nature of excimer formation in crystalline pyrene nanoparticles

RD Pensack, RJ Ashmore, AL Paoletta… - The Journal of …, 2018 - ACS Publications
Pyrene is an exemplary conjugated organic chromophore with a strong propensity for self-
association through an excited-state process known as excimer formation. Pyrene …

Double benzylidene ketones as photoinitiators for visible light photopolymerization

B Bao, J You, D Li, H Zhan, L Zhang, M Li… - Journal of Photochemistry …, 2022 - Elsevier
In this work, four novel double benzylidene ketone dyes (TPA-H, CZ-H, TPA-C, and CZ-C)
with D–A structure were synthesized and showed good charge transfer characteristics and …

Understanding degradation of organic light-emitting diodes from magnetic field effects

M Tanaka, R Nagata, H Nakanotani… - Communications …, 2020 - nature.com
The impact of magnetic field effects on the electroluminescence of organic light-emitting
diodes is commonly used to characterize exciton dynamics such as generation, annihilation …

Conformational dependence of triplet energies in rotationally hindered N‐and S‐heterocyclic dimers: new design and measurement rules for high triplet energy OLED …

IA Wright, A Danos, S Montanaro… - … A European Journal, 2021 - Wiley Online Library
A series of four heterocyclic dimers has been synthesized, with twisted geometries imposed
across the central linking bond by ortho‐alkoxy chains. These include two isomeric …

Modulating non‐radiative deactivation via acceptor reconstruction to expand high‐efficient red thermally activated delayed fluorescent emitters

J Liu, Z Li, T Hu, T Gao, Y Yi, P Wang… - Advanced Optical …, 2022 - Wiley Online Library
The development of high‐efficient red thermally activated delayed fluorescent (TADF)
materials is crucial to expanding their applications. Here, the acceptor reconstruction …