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 …

Highly efficient and stable deep-blue organic light-emitting diode using phosphor-sensitized thermally activated delayed fluorescence

E Kim, J Park, M Jun, H Shin, J Baek, T Kim, S Kim… - Science …, 2022 - science.org
Phosphorescent and thermally activated delayed fluorescence (TADF) blue organic light-
emitting diodes (OLEDs) have been developed to overcome the low efficiency of fluorescent …

Plasmonic enhancement of stability and brightness in organic light-emitting devices

MA Fusella, R Saramak, R Bushati, VM Menon… - Nature, 2020 - nature.com
The field of plasmonics, which studies the resonant interactions of electromagnetic waves
and free electrons in solid-state materials, has yet to be put to large-scale commercial …

Review on photo-and electrical aging mechanisms for neutral excitons and ions in organic light-emitting diodes

C Zhao, L Duan - Journal of Materials Chemistry C, 2020 - pubs.rsc.org
In spite of their immense market, organic light-emitting diodes (OLEDs) are still facing the
problem of insufficient operational lifetime, particularly for blue-emission phosphorescent or …

Blue Electrophosphorescence from Iridium(III) Phosphors Bearing Asymmetric Di‐N‐aryl 6‐(trifluoromethyl)‐2H‐imidazo[4,5‐b]pyridin‐2‐ylidene Chelates

J Yan, ZQ Feng, Y Wu, DY Zhou, SM Yiu… - Advanced …, 2024 - Wiley Online Library
Efficient blue phosphors remain a formidable challenge for organic light‐emitting diodes
(OLEDs). To circumvent this obstacle, a series of Ir (III)‐based carbene complexes bearing …

Stable blue phosphorescent organic LEDs that use polariton-enhanced Purcell effects

H Zhao, CE Arneson, D Fan, SR Forrest - Nature, 2024 - nature.com
Phosphorescent organic light-emitting diodes (PHOLEDs) feature high efficiency,,
brightness and colour tunability suitable for both display and lighting applications. However …

Blue Phosphorescence and Hyperluminescence Generated from Imidazo [4, 5‐b] pyridin‐2‐ylidene‐Based Iridium (III) Phosphors

X Yang, X Zhou, YX Zhang, D Li, C Li, C You… - Advanced …, 2022 - Wiley Online Library
Four isomeric, homoleptic iridium (III) metal complexes bearing 5‐(trifluoromethyl) imidazo
[4, 5‐b] pyridin‐2‐ylidene and 6‐(trifluoromethyl) imidazo [4, 5‐b] pyridin‐2‐ylidene‐based …

Engineering of Cyano Functionalized Benzo[d]imidazol-2-ylidene Ir(III) Phosphors for Blue Organic Light-Emitting Diodes

J Yan, SF Wang, CH Hsu, EHC Shi… - … Applied Materials & …, 2023 - ACS Publications
In this study, we designed and synthesized three series of blue emitting homoleptic iridium
(III) phosphors bearing 4-cyano-3-methyl-1-phenyl-6-(trifluoromethyl)-benzo [d] imidazol-2 …

Electroluminescence and hyperphosphorescence from stable blue Ir (III) carbene complexes with suppressed efficiency roll-off

J Yan, DY Zhou, LS Liao, M Kuhn, X Zhou… - Nature …, 2023 - nature.com
Efficient Förster energy transfer from a phosphorescent sensitizer to a thermally activated
delayed fluorescent terminal emitter constitutes a potential solution for achieving superb …

Efficient blue electrophosphorescence and hyperphosphorescence generated by bis-tridentate iridium (III) complexes

ZL Zhu, P Gnanasekaran, J Yan, Z Zheng… - Inorganic …, 2022 - ACS Publications
Four blue-emissive iridium (III) complexes bearing a 3, 3′-(1, 3-phenylene) bis [1-isopropyl-
6-(trifluoromethyl)-3 H-imidazo [4, 5-b] pyridin-2-ylidene]-based pincer chelate, which are …