Approaches for long lifetime organic light emitting diodes

S Sudheendran Swayamprabha, DK Dubey… - Advanced …, 2021 - Wiley Online Library
Organic light emitting diodes (OLEDs) have been well known for their potential usage in the
lighting and display industry. The device efficiency and lifetime have improved considerably …

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 …

A review of fused-ring carbazole derivatives as emitter and/or host materials in organic light emitting diode (OLED) applications

S Oner, MR Bryce - Materials Chemistry Frontiers, 2023 - pubs.rsc.org
This review focuses on fused-ring carbazole derivatives, their molecular design, electronic
and photophysical properties, and in particular their applications as the emitter and/or the …

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 …

Role of the intramolecular‐locking strategy in the construction of organic thermally activated delayed fluorescence emitters with rotation‐restricted acceptors

B Li, M Liu, L Sang, Z Li, X Wan… - Advanced Optical …, 2023 - Wiley Online Library
Constructing highly twisted and rigid donor–acceptor systems is important for obtaining
highly efficient thermally activated delayed fluorescence (TADF) emitters. In the traditional …

The golden age of thermally activated delayed fluorescence materials: design and exploitation

JM Dos Santos, D Hall, B Basumatary… - Chemical …, 2024 - ACS Publications
Since the seminal report by Adachi and co-workers in 2012, there has been a veritable
explosion of interest in the design of thermally activated delayed fluorescence (TADF) …

Donor arylmethylation toward horizontally oriented TADF emitters for efficient electroluminescence with 37% external quantum efficiency

Q Feng, Y Qian, H Wang, W Hou… - Advanced Optical …, 2022 - Wiley Online Library
Designing thermally activated delayed fluorescence (TADF) emitters with high horizontal
orientation dipole ratios (Θ//) is regarded as one of the key measures to achieve high light …

Highly efficient blue thermally activated delayed fluorescence organic light emitting diodes based on tercarbazole donor and boron acceptor dyads

D Karthik, DH Ahn, JH Ryu, H Lee, JH Maeng… - Journal of Materials …, 2020 - pubs.rsc.org
Two new blue TADF emitters, namely, 9′-(2, 12-di-tert-butyl-5, 9-dioxa-13b-boranaphtho [3,
2, 1-de] anthracen-7-yl)-9, 9′′-diphenyl-9H, 9′ H, 9′′ H-3, 3′: 6′, 3 …

1, 3, 5‐Triazine‐Functionalized Thermally Activated Delayed Fluorescence Emitters for Organic Light‐Emitting Diodes

D Sun, C Si, T Wang… - Advanced Photonics …, 2022 - Wiley Online Library
The 1, 3, 5‐triazine electron acceptor has become one of the most popular building blocks
for the design of thermally activated delayed fluorescence (TADF) materials. Many TADF …

Investigation of Thermally Activated Delayed Fluorescence in Donor–Acceptor Organic Emitters with Time-Resolved Absorption Spectroscopy

L Fisher Jr, RJ Vázquez, M Howell… - Chemistry of …, 2022 - ACS Publications
In this contribution, we utilize multiple time-resolved and nonlinear optical measurements
and quantum chemical simulations to investigate the excited-state dynamics of organic …