Narrowband emissive thermally activated delayed fluorescence materials

HJ Kim, T Yasuda - Advanced Optical Materials, 2022 - Wiley Online Library
Organic thermally activated delayed fluorescence (TADF) materials have attracted
significant research interest in the field of organic electronics because of their inherent …

Recent advances in heterocyclic nanographenes and other polycyclic heteroaromatic compounds

A Borissov, YK Maurya, L Moshniaha… - Chemical …, 2021 - ACS Publications
This review surveys recent progress in the chemistry of polycyclic heteroaromatic molecules
with a focus on structural diversity and synthetic methodology. The article covers literature …

Extending the π‐skeleton of multi‐resonance TADF materials towards high‐efficiency narrowband deep‐blue emission

X Lv, J Miao, M Liu, Q Peng, C Zhong… - Angewandte Chemie …, 2022 - Wiley Online Library
Abstract Multi‐resonance TADF (MR‐TADF) emitters are promising for high‐resolution
OLEDs, but the concurrent optimization of excited‐state dynamics and color purity remains a …

Multi‐resonance deep‐red emitters with shallow potential‐energy surfaces to surpass energy‐gap law

Y Zhang, D Zhang, T Huang, AJ Gillett… - Angewandte Chemie …, 2021 - Wiley Online Library
Efficient organic emitters in the deep‐red region are rare due to the “energy gap law”.
Herein, multiple boron (B)‐and nitrogen (N)‐atoms embedded polycyclic heteroaromatics …

Sterically wrapped multiple resonance fluorophors for suppression of concentration quenching and spectrum broadening

Y Zhang, J Wei, D Zhang, C Yin, G Li… - Angewandte Chemie …, 2022 - Wiley Online Library
Multiple resonance (MR) emitters are promising for highly efficient organic light‐emitting
diodes (OLEDs) with narrowband emission; however, they still face intractable challenges …

Full-color, narrowband, and high-efficiency electroluminescence from boron and carbazole embedded polycyclic heteroaromatics

M Yang, IS Park, T Yasuda - Journal of the American Chemical …, 2020 - ACS Publications
Herein, we demonstrate that the strategic implementation of electron-accepting tricoordinate
boron and electron-donating carbazole subunits into polycyclic aromatic hydrocarbons …

Sequential multiple borylation toward an ultrapure green thermally activated delayed fluorescence material

S Uemura, S Oda, M Hayakawa… - Journal of the …, 2022 - ACS Publications
Multiple-resonance thermally activated delayed fluorescence (MR-TADF) emitters have
emerged as an important component of organic light-emitting diodes (OLEDs) because of …

Fabrication of circularly polarized MR‐TADF emitters with asymmetrical peripheral‐lock enhancing helical B/N‐doped nanographenes

X Wu, JW Huang, BK Su, S Wang, L Yuan… - Advanced …, 2022 - Wiley Online Library
Circularly polarized thermally activated delayed fluorescence (CP‐TADF) and multiple‐
resonance thermally activated delayed fluorescence (MR‐TADF), which exhibit novel …

Precise Functionalization of a Multiple‐Resonance Framework: Constructing Narrowband Organic Electroluminescent Materials with External Quantum Efficiency over …

Q Wang, Y Xu, T Yang, J Xue, Y Wang - Advanced Materials, 2023 - Wiley Online Library
It is of important strategic significance to develop high‐efficiency narrowband organic
electroluminescent materials that can be employed to fabricate ultrahigh‐definition displays …

One-shot synthesis of expanded heterohelicene exhibiting narrowband thermally activated delayed fluorescence

S Oda, B Kawakami, Y Yamasaki… - Journal of the …, 2021 - ACS Publications
An expanded heterohelicene consisting of three BN2-embedded [4] helicene subunits (V-
DABNA-Mes) has been synthesized by one-shot triple borylation. The key to success is the …