Abstract
AbstractIn this paper, we describe here the first room temperature π‐conjugated liquid based on N‐heteroacene framework showing a fluorescent property. This π‐conjugated liquid N‐heteroacene molecule is composed of branched‐long alkoxy chains and thiophene moieties. Also, N‐heteroacene‐based liquid itself can function as a stimuli‐responsive photofunctional material unlike room temperature π‐conjugated liquids reported previously. When a coated film prepared from this liquid was exposed to HCl vapor, an adsorption of HCl molecules occurred accompanied to the change in color of film from yellow to deep yellow. Moreover, emission colors of a coated film markedly changed from blue to yellow. This result indicates that this π‐conjugated liquid N‐heteroacene can function as stimuli‐responsive functional material.
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