Abstract
A new type of fullerene-pyrene hybrid molecule, C(60)Ar(5)R [Ar=1-pyrenyl, 4-(1-pyrenyl)C(6)H(4), 4-{(1-pyrenyl)CO(2)}C(6)H(4), and 4-{(1-pyrenyl)(CH(2))(3)CO(2)}C(6)H(4); R=H and Me] was synthesized by a regioselective penta-addition reaction using organocopper reagents. The compounds were investigated using electrochemical measurements, DFT calculations, single-crystal X-ray structural analysis, and spectroscopic and fluorescence measurements. Intramolecular and intermolecular fullerene-pyrene and pyrene-pyrene interactions were characterized in the crystals. Fluorescence measurements in dilute solutions suggested the presence of intramolecular fullerene-pyrene and pyrene-pyrene interactions.
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