Photoprocesses in Bis-Diethylamino Derivatives of 1,4- and 1,3-Distyrylbenzene

Photoprocesses in Bis-Diethylamino Derivatives of 1,4- and 1,3-Distyrylbenzene Full article

Journal

Molecules
ISSN: 1420-3049

Output data

Year: 2024, Volume: 29, Number: 17, Article number : 4139, Pages count : DOI: 10.3390/molecules29174139

Authors

Atabekyan Levon S. ¹ , Avakyan Vitaly G. ¹ , Fomina Marina V. ¹ , Nuriev Vyacheslav N. ^2,1 , Medved’ko Alexey V. ^3,1 , Vatsadze Sergey Z. ^2,3 , Gromov Sergey P. ^2,1 , Chibisov Alexander K. ¹

Affiliations

1	NRC "Kurchatov Institute", Kurchatov Complex of Crystallography and Photonics, Photochemistry Center, Novatorov Str. 7A-1, Moscow 119421, Russia
2	Department of Chemistry, M. V. Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, Moscow 119991, Russia
3	N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninskii Prospekt, Moscow 119991, Russia

The photoprocesses of diethylamino derivatives of 1,4- and 1,3-distyrylbenzenes in MeCN were studied using absorption, luminescence, 1H NMR, and laser kinetic spectroscopy. Compounds 1 and 2 undergo intersystem crossing to the triplet state and exhibit delayed fluorescence. It was concluded that dye radical anions and radical cations are formed upon dismutation of the triplet state in the presence of an electron donor or acceptor. Quantum mechanical calculations for the structures of diethylamino distyrylbenzenes in the ground and excited states were carried out, making it possible to establish the structures of isomers and the most stable conformers for both compounds.

Atabekyan L.S. , Avakyan V.G. , Fomina M.V. , Nuriev V.N. , Medved’ko A.V. , Vatsadze S.Z. , Gromov S.P. , Chibisov A.K.
Photoprocesses in Bis-Diethylamino Derivatives of 1,4- and 1,3-Distyrylbenzene
Molecules. 2024. V.29. N17. 4139 . DOI: 10.3390/molecules29174139 WOS Scopus OpenAlex

Web of science:	WOS:001311099000001
Scopus:	2-s2.0-85203652566
OpenAlex:	W4402129705

DB	Citing
OpenAlex	1
Scopus	Нет цитирований
Web of science	1