Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 26, Pages 10046-10049Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja203267g
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Funding
- ACS PRF [PRF-49719]
- NSF SOLAR [CHE-1035292]
- Mitsubsihi Chemicals Center for Advanced Materials
- NSF [DMR05-20415]
- Columbia Chemistry
- Columbia EFRC
- Direct For Mathematical & Physical Scien [0840521] Funding Source: National Science Foundation
- Division Of Chemistry [0840521] Funding Source: National Science Foundation
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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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