Chiral TADF‐active polymers for high‐efficiency circularly polarized organic light‐emitting diodes

YF Wang, M Li, JM Teng, HY Zhou… - Angewandte Chemie …, 2021 - Wiley Online Library
A strategy of chiral donor–acceptor copolymerization is proposed to develop chiral
nonconjugated polymers with thermally activated delayed fluorescence (TADF). Based on …

Asymmetrical‐Dendronized TADF Emitters for Efficient Non‐doped Solution‐Processed OLEDs by Eliminating Degenerate Excited States and Creating Solely …

C Li, AK Harrison, Y Liu, Z Zhao, C Zeng… - Angewandte …, 2022 - Wiley Online Library
The mechanism of thermally activated delayed fluorescence (TADF) in dendrimers is not
clear. We report that fully‐conjugated or fully‐nonconjugated structures cause unwanted …

Vibrational Damping Reveals Vibronic Coupling in Thermally Activated Delayed Fluorescence Materials

M Hempe, NA Kukhta, A Danos, MA Fox… - Chemistry of …, 2021 - ACS Publications
We investigate a series of D–A molecules consisting of spiro [acridan-9, 9′-fluorene] as the
donor and 2-phenylenepyrimidine as the acceptor. In two of the materials, a spiro center …

Halogenated π-conjugated polymeric emitters with thermally activated delayed fluorescence for highly efficient polymer light emitting diodes

Y Liu, L Hua, S Yan, Z Ren - Nano Energy, 2020 - Elsevier
Benefiting from the facile solution-processed fabrication, superior electrical and
photophysical properties, π-conjugated polymers with thermally activated delayed …

Rigid Polyimides with Thermally Activated Delayed Fluorescence for Polymer Light‐Emitting Diodes with High External Quantum Efficiency up to 21%

Y Long, X Chen, H Wu, Z Zhou… - Angewandte Chemie …, 2021 - Wiley Online Library
A series of rigid nonconjugated polyimide (PI)‐based thermally activated delayed
fluorescence (TADF) polymers were reported for the first time, based on a “TADF‐Linker …

Computationally Guided Molecular Design to Minimize the LE/CT Gap in D‐π‐A Fluorinated Triarylboranes for Efficient TADF via D and π‐Bridge Tuning

AK Narsaria, F Rauch, J Krebs, P Endres… - Advanced Functional …, 2020 - Wiley Online Library
In this combined experimental and theoretical study, a computational protocol is reported to
predict the excited states in D‐π‐A compounds containing the B (FXyl) 2 (FXyl= 2, 6‐bis …

Flexible Ink‐Jet Printed Polymer Light‐Emitting Diodes using a Self‐Hosted Non‐Conjugated TADF Polymer

CM Cole, SV Kunz, T Baumann… - Macromolecular …, 2023 - Wiley Online Library
Thermally activated delayed fluorescent (TADF) emitters have become the leading emissive
materials for highly efficient organic light‐emitting diodes (OLEDs). The deposition of these …

A simple strategy for obtaining aggregation-induced delayed fluorescence material achieving nearly 20% external quantum efficiency for non-doped solution …

Y He, C Zhang, H Yan, Y Chai, D Zhou - Chemical Engineering Journal, 2023 - Elsevier
The development of efficient non-doped organic luminescent materials is challenging work
due to the existence of aggregation-caused quenching (ACQ) effect in most of emitters …

A deep blue thermally activated delayed fluorescence emitter: balance between charge transfer and color purity

B Sk, E Ravindran, U Deori, N Yadav… - Journal of Materials …, 2022 - pubs.rsc.org
An efficient blue organic light-emitting diode (OLED) device with high color purity is a
challenging issue with technological relevance. Herein, we demonstrated the role of the …

Hyperfluorescent polymers enabled by through-space charge transfer polystyrene sensitizers for high-efficiency and full-color electroluminescence

J Hu, Y Wang, Q Li, S Shao, L Wang, X Jing… - Chemical Science, 2021 - pubs.rsc.org
Fluorescent polymers are suffering from low electroluminescence efficiency because triplet
excitons formed by electrical excitation are wasted through nonradiative pathways. Here we …