Multi‐Resonance Building‐Block‐Based Electroluminescent Material: Lengthening Emission Maximum and Shortening Delayed Fluorescence Lifetime

X Cai, Y Pu, C Li, Z Wang, Y Wang - Angewandte Chemie, 2023 - Wiley Online Library
Multi‐resonance thermally activated delayed fluorescence (MR‐TADF) materials are
considered a class of organic materials with exceptional electronic and optical properties …

Exceeding 30% external quantum efficiency in non‐doped OLEDs utilizing solution processable TADF emitters with high horizontal dipole orientation via anchoring …

G Zhao, D Liu, P Wang, X Huang, H Chen… - Angewandte …, 2022 - Wiley Online Library
Strategies to enhance the ratio of the molecular horizontal emitting dipole orientation (Θ∥)
for thermally activated delayed fluorescence (TADF) emitters have unlocked the full potential …

Highly efficient hybridized local and Charge-transfer (HLCT) Deep-blue electroluminescence with excellent molecular horizontal orientation

S Xiao, Y Gao, R Wang, H Liu, W Li, C Zhou… - Chemical Engineering …, 2022 - Elsevier
Efficient deep-blue emitters with nice color purity are fundamental in organic light-emitting
diode (OLED) applications. Herein, we report two phenanthroimidazole (PPI) derivative …

Managing locally excited and charge‐transfer triplet states to facilitate up‐conversion in red TADF emitters that are available for both vacuum‐and solution‐processes

JX Chen, YF Xiao, K Wang, D Sun, XC Fan… - Angewandte …, 2021 - Wiley Online Library
Developing red thermally activated delayed fluorescence (TADF) emitters for high‐
performance OLEDs is still facing great challenge. Herein, three red TADF emitters, pDBBPZ …

Improving the efficiency of red thermally activated delayed fluorescence organic light‐emitting diode by rational isomer engineering

T Yang, Z Cheng, Z Li, J Liang, Y Xu… - Advanced Functional …, 2020 - Wiley Online Library
The development of efficient red thermally activated delayed fluorescence (TADF) emitters
with an emission wavelength beyond 600 nm remains a great challenge for organic light …

Novel deep‐blue hybridized local and charge‐transfer host emitter for high‐quality fluorescence/phosphor hybrid quasi‐white organic light‐emitting diode

H Zhang, J Xue, C Li, S Zhang, B Yang… - Advanced Functional …, 2021 - Wiley Online Library
A new hybrid local and charge transfer (HLCT) molecule 2TPA‐PPI is obtained for
constructing the high‐performance organic light‐emitting diodes (OLEDs) in this work. 2TPA …

Simple acridan‐based multi‐resonance structures enable highly efficient narrowband green TADF electroluminescence

P Jiang, L Zhan, X Cao, X Lv, S Gong… - Advanced Optical …, 2021 - Wiley Online Library
Multi‐resonance thermally activated delayed fluorescence (MR‐TADF) offers an exceptional
solution for narrowband organic light‐emitting diode devices in terms of color purity and …

Tetrabenzo[a,c]phenazine Backbone for Highly Efficient Orange–Red Thermally Activated Delayed Fluorescence with Completely Horizontal Molecular Orientation

U Balijapalli, YT Lee, BSB Karunathilaka… - Angewandte Chemie …, 2021 - Wiley Online Library
Three thermally activated delayed fluorescence (TADF) molecules, namely PQ1, PQ2, and
PQ3, are composed of electron‐accepting (A) tetrabenzo [a, c] phenazine (TBPZ) and …

Fluorene-based host-guest phosphorescence materials for information encryption

X Chen, W Dai, X Wu, H Su, C Chao, Y Lei, J Shi… - Chemical Engineering …, 2021 - Elsevier
Metal-free organic phosphorescence materials are commonly utilized in the area of
optoelectronics and bioelectronics. However, the development of materials with …

Achieving 34.3% external quantum efficiency for red thermally activated delayed fluorescence organic light‐emitting diode by molecular isomer engineering

T Yang, J Liang, Y Cui, Z Li, X Peng… - Advanced Optical …, 2023 - Wiley Online Library
The development of red organic emissive materials with high‐efficiency and low‐cost is of
great significance but formidable challenge for organic light‐emitting diodes (OLEDs) …