Degradation mechanisms and lifetime extending strategy of phosphorescent and thermally activated delayed-fluorescence organic light-emitting diodes

J Jiang, JY Lee - Materials Today, 2023 - Elsevier
Phosphorescence and thermally activated delayed-fluorescence (TADF) devices have been
developed as highly efficient organic light-emitting diodes (OLEDs). However, they suffer …

Two-coordinate thermally activated delayed fluorescence coinage metal complexes: Molecular design, photophysical characters, and device application

TY Li, SJ Zheng, PI Djurovich, ME Thompson - Chemical Reviews, 2024 - ACS Publications
Since the emergence of the first green light emission from a fluorescent thin-film organic light
emitting diode (OLED) in the mid-1980s, a global consumer market for OLED displays has …

Judicious Heteroatom Doping Produces High‐Performance Deep‐Blue/Near‐UV Multiresonant Thermally Activated Delayed Fluorescence OLEDs

SM Suresh, L Zhang, T Matulaitis, D Hall… - Advanced …, 2023 - Wiley Online Library
Two multiresonant thermally activated delayed fluorescence (MR‐TADF) emitters are
presented and it is shown how further borylation of a deep‐blue MR‐TADF emitter …

Delocalizing electron distribution in thermally activated delayed fluorophors for high-efficiency and long-lifetime blue electroluminescence

T Huang, Q Wang, H Zhang, Y Xin, Y Zhang, X Chen… - Nature Materials, 2024 - nature.com
Blue thermally activated delayed fluorescent emitters are promising for the next generation
of organic light-emitting diodes, yet their performance still cannot meet the requirements for …

Combining Carbazole Building Blocks and ν‐DABNA Heteroatom Alignment for a Double Boron‐Embedded MR‐TADF Emitter with Improved Performance

F Huang, XC Fan, YC Cheng, H Wu… - Angewandte Chemie …, 2023 - Wiley Online Library
Building blocks and heteroatom alignments are two determining factors in designing
multiple resonance (MR)‐type thermally activated delayed fluorescence (TADF) emitters …

A figure of merit for efficiency roll-off in TADF-based organic LEDs

S Diesing, L Zhang, E Zysman-Colman, IDW Samuel - Nature, 2024 - nature.com
Organic light-emitting diodes (OLEDs) are a revolutionary light-emitting display technology
that has been successfully commercialized in mobile phones and televisions,. The injected …

Controlling triplet–triplet upconversion and singlet-triplet annihilation in organic light-emitting diodes for injection lasing

A Shukla, M Hasan, G Banappanavar… - Communications …, 2022 - nature.com
Significant progress has recently been made in the field of organic solid-state lasers.
However, achieving lasing action from organic semiconductors under electrical excitation …

Thermally activated delayed fluorescence materials for organic light-emitting diodes

X Li, S Fu, Y Xie, Z Li - Reports on Progress in Physics, 2023 - iopscience.iop.org
Recently, the remarkable advances in thermally activated delayed fluorescence (TADF)
materials have attracted much attention due to their 100% exciton utilization efficiency in …

Transformation of refractory ceramic MgAl2O4 into blue light emitting nanomaterials by Sr2+/Cr3+ activation

T Fazal, Y Jazaa, A Bahadur, S Iqbal, M Shah… - Materials Science and …, 2024 - Elsevier
The current research aims at manipulation of physical properties of spinel MgAl 2 O 4 by
substitution of Sr 2+ cations at tetrahedral and Cr 3+ at orthogonal-sites. Synthesized …

Triplet-polaron-annihilation-induced degradation of organic light-emitting diodes based on thermally activated delayed fluorescence

B van der Zee, Y Li, GJAH Wetzelaer, PWM Blom - Physical Review Applied, 2022 - APS
Insufficient operational lifetime continues to be one of the most challenging problems for
organic light-emitting diodes (OLEDs) based on thermally activated delayed fluorescence …