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Molecular Wires from Contorted Aromatic Compounds

Authors


  • We acknowledge primary financial support from the Nanoscale Science and Engineering Initiative of the National Science Foundation (NSF Award Number CHE-0117752); the New York State Office of Science, Technology, and Academic Research (NYSTAR); and the Department of Energy, Nanoscience Initiative (NSET 04ER46118). C.N. thanks the US National Science Foundation (CAREER award DMR-02-37860), the American Chemical Society (PRF type G 39263-G7), the Camille Dreyfus Teacher Scholar Program (2004), and the Alfred P. Sloan Fellowship Program (2004). We thank the MRSEC Program of the National Science Foundation (Award Number DMR-0213574) and the New York State Office of Science, Technology, and Academic Research (NYSTAR) for financial support for M.L.S. and the shared instrument facility. S.S. acknowledges financial support from the Centre Microélectronique de Provence—Georges Charpak.

Abstract

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In a twist: A design strategy for molecule-based electronic materials using aromatic compounds with a nonplanar core is presented. A new class of hexabenzocoronene is put forth that has its core severely distorted out of planarity into a corrugated structure. When substituted with four alkoxy side chains, this material self-assembles into infinitely long columns through stacking (see picture) and acts as an active layer in field-effect transistors.

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