New monomer based on thienopyrazine with fluorocarbazole substituents as a promising building block for organic electronicsстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
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Дата последнего поиска статьи во внешних источниках: 14 августа 2017 г.
Аннотация:A new monomer, 2,3-bis[6-fluoro-9-(2-octyldodecyl)-9H-carbazol-3-yl]-3,3'-[5,7-di(5-bromothienyl-
2)thieno[3,4-b]pyrazine, M1, based on thienopyrazine containing fluorocarbazole substituents in
the pyrazine ring has been synthesized. The structure of the compound has been proved by 1H and 13C NMR
and elemental analysis. The HOMO and LUMO energies for monomer M1 and its precursor 3 determined by the electrochemical method are –5.03 and –3.31 eV, as well as –5.28 and –3.36 eV, respectively. Band gap
widths are 1.72 and 1.92 eV for compounds M1 and 3, respectively. The new structural fragment has rather deep energy levels of frontier molecular orbitals and a small band gap width; therefore, it is a promising building block for the synthesis of polymers for organic electronics.