Color-tunable emissive heptagon-embedded polycyclic aromatic dicarboximides
CHEMICAL COMMUNICATIONS(2022)
Abstract
Heptagon-embedded polycyclic aromatic dicarboximides were developed as new push-pull fluorescent dyes through palladium-catalysed [4+3] annulation followed by nucleophilic substitution. The introduction of a seven-membered ring in these push-pull systems can efficiently modulate the optical properties leading to an enhancement of the fluorescence quantum yields up to 0.93 with color tunable emission covering the visible-NIR spectrum.
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Key words
color-tunable,heptagon-embedded
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