Stimuli-responsive azulene-based conjugated oligomers with polyaniline-like properties

Elizabeth Amir, Roey J. Amir, Luis M. Campos, Craig J. Hawker

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)10046-10049
Number of pages4
JournalJournal of the American Chemical Society
Issue number26
StatePublished - 6 Jul 2011
Externally publishedYes


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