Extended π-backbone for highly efficient near-infrared thermally activated delayed fluorescence with enhanced horizontal molecular orientation

2022 ◽  
Author(s):  
Jian-Li He ◽  
Yukun Tang ◽  
Kai Zhang ◽  
Yue Zhao ◽  
Yu-Ching Lin ◽  
...  
Keyword(s):  
Molecular Orientation ◽  
Near Infrared ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Highly Efficient ◽  
Donor Acceptor ◽  
Limited Choice

The near-infrared thermally activated delayed fluorescence (NIR-TADF) materials with emission over 700 nm were insufficiently investigated mainly due to the limited choice of strong donor/acceptor units for the molecular construction...

Highly Efficient Near‐Infrared Electrofluorescence from a Thermally‐Activated Delayed Fluorescence Molecule

2021 ◽  
Author(s):  
Umamahesh Balijapalli ◽  
Ryo Nagata ◽  
Nishiki Yamada ◽  
Hajime Nakanotani ◽  
Masaki Tanaka ◽  
...  
Keyword(s):  
Near Infrared ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Highly Efficient

scholarly journals Highly Efficient Thermally Activated Delayed Fluorescence via an Unconjugated Donor–Acceptor System Realizing EQE of Over 30%

2020 ◽  
Vol 32 (48) ◽  
pp. 2003885 ◽  
Author(s):  
Chen‐Chen Peng ◽  
Sheng‐Yi Yang ◽  
Hong‐Cheng Li ◽  
Guo‐Hua Xie ◽  
Lin‐Song Cui ◽  
...  
Keyword(s):  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Highly Efficient ◽  
Donor Acceptor

scholarly journals High-efficiency blue thermally activated delayed fluorescence from donor–acceptor–donor systems via the through-space conjugation effect

2019 ◽  
Vol 10 (21) ◽  
pp. 5556-5567 ◽  
Author(s):  
Feifei Gao ◽  
Ruiming Du ◽  
Chunmiao Han ◽  
Jing Zhang ◽  
Ying Wei ◽  
...  
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Conjugation Effect ◽  
Highly Efficient ◽  
Donor Acceptor

Highly efficient sky-blue TADF donor–acceptor–donor molecules were demonstrated, in which 5,10-diphenyl-5,10-dihydrophosphanthrene oxide (DPDPO2A) with the feature of homoconjugation was used as the acceptor to bridge four carbazolyl or 3,6-di-t-butyl-carbazolyl groups.

Chiral approach to investigate mechanism of highly efficient thermally activated delayed fluorescence

2021 ◽  
Vol 57 (14) ◽  
pp. 1738-1741
Author(s):  
Kikuya Hayashi ◽  
Arimasa Matsumoto ◽  
Shuzo Hirata
Keyword(s):  
Cotton Effect ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Highly Efficient ◽  
Donor Acceptor

Cancellation of the Cotton effect depending on vibrations of a chiral orthogonal donor–acceptor structure identifies a mechanism of highly efficient delayed fluorescence.

scholarly journals Pyrimidine-based twisted donor–acceptor delayed fluorescence molecules: a new universal platform for highly efficient blue electroluminescence

2017 ◽  
Vol 8 (2) ◽  
pp. 953-960 ◽  
Author(s):  
In Seob Park ◽  
Hideaki Komiyama ◽  
Takuma Yasuda
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Highly Efficient ◽  
Deep Blue ◽  
Donor Acceptor

High-efficiency deep blue thermally activated delayed fluorescence (TADF) emitters consisting of acridan–pyrimidine donor–acceptor motifs are developed.

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