Capturing polycyclic aromatic sulfur heterocycles in electron donor–acceptor complexes

[Display omitted] Stoichiometry and stability of electron donor–acceptor complexes formed by dibenzothiophene and its alkylated derivatives with DDQ and TCNE in nonpolar organic solvents has been investigated. 4,6-Dimethyldibenzothiophene produces the most stable 1: 1 complex with DDQ in agreement w...

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Bibliographic Details
Published in:Mendeleev communications 2021-05, Vol.31 (3), p.326-329
Main Authors: Eremina, Olga E., Samodelova, Mariia V., Ferree, Mariia V., Shekhovtsova, Tatyana N., Veselova, Irina A.
Format: Article
Language:English
Subjects:
charge transfer complex
dibenzothiophene
multiplex detection
optical sensor
polycyclic aromatic sulfur heterocycles
silver nanoparticles
surface enhanced Raman spectroscopy
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Summary:[Display omitted] Stoichiometry and stability of electron donor–acceptor complexes formed by dibenzothiophene and its alkylated derivatives with DDQ and TCNE in nonpolar organic solvents has been investigated. 4,6-Dimethyldibenzothiophene produces the most stable 1: 1 complex with DDQ in agreement with energy levels of the π-donors HOMOs and π-acceptors LUMOs calculated by DFT. The results make possible an employment of the complexes for multiplex determination of polycyclic aromatic pollutants using surface enhanced Raman spectroscopy.
ISSN:0959-9436
DOI:10.1016/j.mencom.2021.04.015