Abstract
A method of synthesis of a new class of push-pull chromophores with vinylquinoxalinone conjugated bridges has been proposed; two isomeric pairs of chromophores with dimethyl aniline donor and dicyanovinyl or tricyanofuran acceptors linked via vinyl-7(6)-quinoxalinon-3-yl or vinyl-7(6)-quinoxalinone-3-vinyl bridges, correspondingly, have been synthesized and systematically investigated. The solvatochromic behavior, thermal stability and electrochemical properties were studied to establish the structure-property relationships. Chromophore 7-DMA-VQonV-TCF exhibits the minimal HOMO-LUMO energy gap (ΔE 0.84 eV) and the highest thermal stability (Td = 313 °C).
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