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π-Dimer Formation in an Oligothiophene Tweezer Molecule

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journal contribution
posted on 06.11.2008, 00:00 by Ryo Takita, Changsik Song, Timothy M. Swager
An oligothiophene tweezer molecule, which has two quaterthiophene moieties connected to create an electrochemically activated hinge, has been synthesized. Two-electron oxidation of the tweezer molecule produces an intramolecular π-dimer between the two oligothiophene moieties at room temperature as confirmed by UV−vis absorption, electrochemistry, and EPR experiments.