Tuning solid-state fluorescence of a novel group D-π-A chromophores with a reactive hydroxytricyanopyrrole (HTCP) acceptor

Abstract The approach to novel group of donor-acceptor chromophores exhibiting solid-state fluorescence based on the reaction of hydroxytricyanopyrrole ( HTCP ) acceptor with methoxybenzaldehydes has been developed. The presence of a hydroxyl group in the structure of synthesized chromophores allows functionalizing them and tuning their fluorescent properties, varying maxima of emission in a range of 518–617 nm. The developed method is of interest as it is a promising approach to a new group of fluorescent push-pull D-π-A chromophores, which are functionalized analogues of known chromophores based on the tricyanofuran ( TCF ) acceptor.