Dyes and Pigments, volume 185, pages 108917
Candle light-style OLEDs with benzochalcogenadiazoles cores
Korshunov Vladislav
1, 2
,
Chmovzh Timofey N
3, 4
,
Golovanov Ivan S
4
,
Mikhalchenko Lyudmila V
4
,
Saifutyarov Rasim S
5
,
Avetisov Igor C
6
,
Taydakov Ilya V.
8
,
Rakitin Oleg A.
3, 4
6
7
EaStCHEM School of Chemistry University of St Andrews KY16 9ST Fife UK
|
Publication type: Journal Article
Publication date: 2021-02-01
Journal:
Dyes and Pigments
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 4.5
ISSN: 01437208, 18733743
General Chemical Engineering
Process Chemistry and Technology
Abstract
Abstract Fluorescent D-A1-π-A2 dyes containing the 9-hexyl-9H-carbazole electron-donor unit and 2,1,3-benzochalcogenadiazoles as electron-withdrawing, were synthesized. These dyes displayed high luminescence quantum yields up to 20% in the solid phase and 80% in solutions. A series of ClsOLEDs with high luminance up to 6256 cd/m2 and low color temperature (1800–1900 K) based on these dyes were constructed. The electroluminescence color temperature of the fabricated OLEDs is independent of the operating voltage making these compounds potentially very useful for night time illumination. It was shown that the aggregation process of the investigated dyes led to the formation of planar crystalline structures. Scanning electron microscopy (SEM) and fluorescence lifetime imaging (FLIM) experiments, showed that luminescence quenching caused by interactions between aggregates of different sizes takes place. Spectroscopic studies were supported by Density Functional Theory (DFT) and Time Dependent Density Functional Theory (TD-DFT) calculations. As a result, we elucidated that replacement of [1,2,5]chalcogenadiazolo[3,4-c]pyridines by 2,1,3-benzochalcogenadiazoles led to a substantial improvement in intramolecular charge transfer (ICT) from the donor to acceptor units due to favourable distortion of the excited state geometry.
Citations by journals
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1
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5
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MolBank
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MolBank
5 publications, 38.46%
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Molecules
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Molecules
3 publications, 23.08%
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Mendeleev Communications
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Mendeleev Communications
1 publication, 7.69%
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Chemical Physics Letters
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Chemical Physics Letters
1 publication, 7.69%
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CrystEngComm
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CrystEngComm
1 publication, 7.69%
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Journal of Materials Chemistry C
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Journal of Materials Chemistry C
1 publication, 7.69%
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Advances in Heterocyclic Chemistry
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Advances in Heterocyclic Chemistry
1 publication, 7.69%
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1
2
3
4
5
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Citations by publishers
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1
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8
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
8 publications, 61.54%
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Elsevier
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Elsevier
3 publications, 23.08%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
2 publications, 15.38%
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1
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Korshunov V. et al. Candle light-style OLEDs with benzochalcogenadiazoles cores // Dyes and Pigments. 2021. Vol. 185. p. 108917.
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Korshunov V., Chmovzh T. N., Golovanov I. S., Knyazeva E. A., Mikhalchenko L. V., Saifutyarov R. S., Avetisov I. C., Woollins J. D., Taydakov I. V., Rakitin O. A. Candle light-style OLEDs with benzochalcogenadiazoles cores // Dyes and Pigments. 2021. Vol. 185. p. 108917.
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TY - JOUR
DO - 10.1016/j.dyepig.2020.108917
UR - https://doi.org/10.1016%2Fj.dyepig.2020.108917
TI - Candle light-style OLEDs with benzochalcogenadiazoles cores
T2 - Dyes and Pigments
AU - Korshunov, Vladislav
AU - Chmovzh, Timofey N
AU - Golovanov, Ivan S
AU - Knyazeva, Ekaterina A
AU - Mikhalchenko, Lyudmila V
AU - Saifutyarov, Rasim S
AU - Avetisov, Igor C
AU - Woollins, J. Derek
AU - Taydakov, Ilya V.
AU - Rakitin, Oleg A.
PY - 2021
DA - 2021/02/01 00:00:00
PB - Elsevier
SP - 108917
VL - 185
SN - 0143-7208
SN - 1873-3743
ER -
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@article{2021_Korshunov,
author = {Vladislav Korshunov and Timofey N Chmovzh and Ivan S Golovanov and Ekaterina A Knyazeva and Lyudmila V Mikhalchenko and Rasim S Saifutyarov and Igor C Avetisov and J. Derek Woollins and Ilya V. Taydakov and Oleg A. Rakitin},
title = {Candle light-style OLEDs with benzochalcogenadiazoles cores},
journal = {Dyes and Pigments},
year = {2021},
volume = {185},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016%2Fj.dyepig.2020.108917},
pages = {108917},
doi = {10.1016/j.dyepig.2020.108917}
}