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Advanced Materials

Supramolecular Electronic Coupling in Chiral Oligothiophene Nanostructures

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  • The work in Cambridge was supported by the UK Engineering and Physical Sciences Research Council (EPSRC) via an Advanced Research Fellowship for C. S. A. A. thanks the University of Bari and Prof. Raffaele Tommasi for partial funding to carry out this research in Cambridge. The work in Durham was supported by the EPSRC. The Cambridge–Eindhoven–Durham collaboration was supported by the European Commission (LAMINATE). C. S. acknowledges support from the Canadian National Science and Engineering Research Council (NSERC) and from the Canada Research Chairs Programme. Supporting Information is available online from Wiley InterScience or from the author.

Abstract

Supramolecular electronic coupling in chiral supramolecular nanostructures built with functionalized oligothiophenes (see figure) is investigated using optical spectroscopy. These are model systems to investigate such electronic interactions due to thermotropic reversibility of the assembly process. The electronic coupling of neutral excitations depends strongly on their spatial extent.

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