Exciplexes in OLEDs: Principles and promises

M Sarma, LM Chen, YS Chen, KT Wong - Materials Science and …, 2022 - Elsevier
Science has always been full of surprises, and organic light-emitting diodes (OLEDs) are no
exception. What exasperates scientists today may entice society tomorrow. The world has …

Aggregation Control, Surface Passivation, and Optimization of Device Structure toward Near‐Infrared Perovskite Quantum‐Dot Light‐Emitting Diodes with an EQE up …

ZL Tseng, LC Chen, LW Chao, MJ Tsai… - Advanced …, 2022 - Wiley Online Library
In recent years, the performance of perovskite quantum dots (QDs) and QD‐based light‐
emitting diodes (QLEDs) has improved greatly, with electroluminescence (EL) efficiency of …

Solution-processed high efficiency OLED harnessing a thermally cross-linked hole-transporting layer and exciplex-forming emission layer

MJ Tsai, WL Huang, LM Chen, GL Ruan… - Journal of Materials …, 2023 - pubs.rsc.org
A new dicarbazole-based donor, BCz3Ph, for exciplex formation was synthesized and
characterized. The new green (PL λmax= 527 nm) exciplex BCz3Ph: PO-T2T (2: 1) blend …

New Exciplex‐Forming Co‐Host System and Thienothiadazole‐based Fluorescent Emitter for High‐Efficiency and Promising Stability Near‐Infrared OLED

YS Chen, D Luo, WC Wei, BL Chen… - Advanced Optical …, 2022 - Wiley Online Library
Two new spirobifluorene (SF)‐centered donors (D) DPSF and DTSF are developed to blend
with acceptor (A) CN‐T2T for exciplex formation. The transient photoluminescence …

Diluted exciplex concentrations in organic light emitting diodes for blue-shifted spectra and improved efficiency

J Yan, B Dong, Y Xu, B Zhao, F Jin, H Wang… - Journal of Materials …, 2022 - pubs.rsc.org
In this work, the effects of different ratios of the donor/acceptor and spacer host materials on
exciplex organic light emitting diode (OLED) based DMAC-DPS: PO-T2T were explored, and …

Bridged triazatruxene-based host materials for solution-processed thermally activated delayed fluorescence organic light emitting diodes with high power efficiency

Y Liu, Y Wu, T Wang, Q Wang, X Han, X Wu, H Tong… - Organic …, 2023 - Elsevier
A series of host materials (1FTAT-2Ph, 2FTAT-1Ph, 3FTAT) containing a hole-transport
triphenyl-substituted triazatruxene conjugated skeleton and different numbers of diphenyl …

From truxenes to heterotruxenes: playing with heteroatoms and the symmetry of molecules

K Górski, J Mech-Piskorz… - New Journal of Chemistry, 2022 - pubs.rsc.org
The truxene molecule is more versatile and widespread than ever imagined. At the end of
the last century, this star-shaped structure was recognized mostly in liquid crystals. However …

Regulation of the light color and electroluninescence of rigid orthogonally linked hybrid local and charge-transfer (HLCT) material: Intramolecular charge-transfer and …

M Yao, B Bian, R Wu, K Sun, X Tian, T Gong, H Liu… - Organic …, 2023 - Elsevier
Rational regulation on the hybrid local and charge-transfer (HLCT) excited state is crucial for
the optimization of light color, especially those of the blue-emissive materials. In this work …

Donor-σ-acceptor molecules with alkyl σ-linkers of different lengths: Exploration on the exciplex emission and their use for efficient organic light-emitting diodes

Y Song, R Yu, X Meng, L He - Dyes and Pigments, 2023 - Elsevier
Donor-σ-acceptor molecules featuring exciplex emission have been extensively researched
for developing thermally-activated delayed fluorescence; however, varying the length of …

Substitution effect on carbazole-centered donors for tuning exciplex systems as cohost for highly efficient yellow and red OLEDs

LM Chen, IH Lin, YC You, WC Wei, MJ Tsai… - Materials Chemistry …, 2021 - pubs.rsc.org
Three new carbazole-based hole-transporting materials PTCz-9′ Cz, PTCz-3′ TCz, and
PTCz-NTol2 were synthesized, characterized, and examined for the propensity of exciplex …