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Issue 37, 2006
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Structural and optoelectronic properties of C60 rods obtained via a rapid synthesis route

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Abstract

High purity single crystal C60 rods with uniform dimensions are synthesized by a rapid and facile approach which can be completed over a timescale of typically a few minutes. The morphology of the fullerene product has been characterized in detail by scanning electron microscopy, scanning transmission electron microscopy, and atomic force microscopy, demonstrating that the resulting materials are solid, hexagonal cross-sectioned rods with novel faceted tips. High resolution transmission electron microscopy investigations reveal that the rods are face-centered cubic packed single crystals. Vibrational and electronic spectroscopy studies provide compelling evidence that the rods are a van der Waals solid since the electronic structure of the component C60 molecules is largely preserved. The structures obtained are found to possess novel optoelectronic properties exhibiting low energy absorption not reported in related structures and materials to date. Furthermore significant room temperature photoluminescence is obtained from the C60 rods accompanied by a small blue shift of the spectra which is also observed for the first ‘allowed’ absorption transitions. Given their rapid synthesis, excellent purity, optical and charge transport properties these fullerene structures are expected to be a promising materials for nanoelectronic devices including thin film organic solar cells and photodetectors.

Graphical abstract: Structural and optoelectronic properties of C60 rods obtained via a rapid synthesis route

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Publication details

The article was received on 27 Jun 2006, accepted on 10 Aug 2006 and first published on 21 Aug 2006


Article type: Paper
DOI: 10.1039/B609074E
J. Mater. Chem., 2006,16, 3715-3720

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    Structural and optoelectronic properties of C60 rods obtained via a rapid synthesis route

    Y. Jin, R. J. Curry, J. Sloan, R. A. Hatton, L. C. Chong, N. Blanchard, V. Stolojan, H. W. Kroto and S. R. P. Silva, J. Mater. Chem., 2006, 16, 3715
    DOI: 10.1039/B609074E

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