Stimuli-Responsive Azulene-Based Conjugated Oligomers with Polyaniline-like Properties
Journal of the American Chemical Society2011Vol. 133(26), pp. 10046–10049
Citations Over TimeTop 10% of 2011 papers
Abstract
Novel azulene building blocks, prepared via the cycloaddition of thiophene-S,S-dioxides and fulvenes, allow for incorporation of the seven-membered ring of the azulene nucleus directly into the backbone of conjugated materials. This unique mode of incorporation gives remarkably stable, stimuli-responsive materials upon exposure to acid. This simple doping/dedoping strategy provides for effective optical band gap control and on/off fluorescence switching, reminiscent of polyaniline.
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