Synthesis and optical properties of π-conjugated push–pull dyes incorporating a functionalized benzo[1,2-b:3,4-b′]difuran spacer
2016
Abstract The synthesis of a series of push–pull dyes incorporating a functionalized benzo[1,2-b:3,4-b′]difuran moiety acting as a conjugated spacer is reported. The studies of their optical properties evidenced a strong ICT upon photoexcitation. As a consequence of their highly polarized nature, these dyes all display a sizeable solvatochromic emission. One example has been further incorporated onto a BODIPY fluorophore leading to a highly conjugated molecular scaffold.
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