Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine

A new thermally activated delayed fluorescence (TADF) compound based on a donor–acceptor (D–A) architecture (D = phenoxazine; A = dibenzo[a,j]phenazine) has been developed, and its photophysical properties were characterized. The D–A compound is applicable as an emitting material for efficient organ...

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Autores principales: Izumi, Saika, Govindharaj, Prasannamani, Drewniak, Anna, Crocomo, Paola Zimmermann, Minakata, Satoshi, de Sousa, Leonardo Evaristo, de Silva, Piotr, Data, Przemyslaw, Takeda, Youhei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Beilstein-Institut 2022
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Full Research Paper
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9062652/
https://www.ncbi.nlm.nih.gov/pubmed/35558649
http://dx.doi.org/10.3762/bjoc.18.48
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author Izumi, Saika
Govindharaj, Prasannamani
Drewniak, Anna
Crocomo, Paola Zimmermann
Minakata, Satoshi
de Sousa, Leonardo Evaristo
de Silva, Piotr
Data, Przemyslaw
Takeda, Youhei
author_facet Izumi, Saika
Govindharaj, Prasannamani
Drewniak, Anna
Crocomo, Paola Zimmermann
Minakata, Satoshi
de Sousa, Leonardo Evaristo
de Silva, Piotr
Data, Przemyslaw
Takeda, Youhei
author_sort Izumi, Saika
collection PubMed
description A new thermally activated delayed fluorescence (TADF) compound based on a donor–acceptor (D–A) architecture (D = phenoxazine; A = dibenzo[a,j]phenazine) has been developed, and its photophysical properties were characterized. The D–A compound is applicable as an emitting material for efficient organic light-emitting diodes (OLEDs), and its external quantum efficiency (EQE) exceeds the theoretical maximum of those with prompt fluorescent emitters. Most importantly, comparative study of the D–A molecule and its D–A–D counterpart from the viewpoints of the experiments and theoretical calculations revealed the effect of the number of the electron donor on the thermally activated delayed fluorescent behavior.
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spelling pubmed-90626522022-05-11 Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine Izumi, Saika Govindharaj, Prasannamani Drewniak, Anna Crocomo, Paola Zimmermann Minakata, Satoshi de Sousa, Leonardo Evaristo de Silva, Piotr Data, Przemyslaw Takeda, Youhei Beilstein J Org Chem Full Research Paper A new thermally activated delayed fluorescence (TADF) compound based on a donor–acceptor (D–A) architecture (D = phenoxazine; A = dibenzo[a,j]phenazine) has been developed, and its photophysical properties were characterized. The D–A compound is applicable as an emitting material for efficient organic light-emitting diodes (OLEDs), and its external quantum efficiency (EQE) exceeds the theoretical maximum of those with prompt fluorescent emitters. Most importantly, comparative study of the D–A molecule and its D–A–D counterpart from the viewpoints of the experiments and theoretical calculations revealed the effect of the number of the electron donor on the thermally activated delayed fluorescent behavior. Beilstein-Institut 2022-04-25 /pmc/articles/PMC9062652/ /pubmed/35558649 http://dx.doi.org/10.3762/bjoc.18.48 Text en Copyright © 2022, Izumi et al. https://creativecommons.org/licenses/by/4.0/This is an open access article licensed under the terms of the Beilstein-Institut Open Access License Agreement (https://www.beilstein-journals.org/bjoc/terms/terms), which is identical to the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0 (https://creativecommons.org/licenses/by/4.0/) ). The reuse of material under this license requires that the author(s), source and license are credited. Third-party material in this article could be subject to other licenses (typically indicated in the credit line), and in this case, users are required to obtain permission from the license holder to reuse the material.
spellingShingle Full Research Paper
Izumi, Saika
Govindharaj, Prasannamani
Drewniak, Anna
Crocomo, Paola Zimmermann
Minakata, Satoshi
de Sousa, Leonardo Evaristo
de Silva, Piotr
Data, Przemyslaw
Takeda, Youhei
Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine
title Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine
title_full Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine
title_fullStr Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine
title_full_unstemmed Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine
title_short Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine
title_sort comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine
topic Full Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9062652/
https://www.ncbi.nlm.nih.gov/pubmed/35558649
http://dx.doi.org/10.3762/bjoc.18.48
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