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Issue 5, 2006
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Multifunctional molecular carbon materials—from fullerenes to carbon nanotubes

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Abstract

This critical review covers the timely topic of carbon nanostructuresfullerenes and carbon nanotubes—in combination with metalloporphyrins as integrative components for electron-donor–acceptor ensembles. These ensembles are typically probed in condensed media and at semi-transparent electrode surfaces. In particular, we will present a comprehensive survey of a variety of covalent (i.e., nanoconjugates) and non-covalent linkages (i.e., nanohybrids) to demonstrate how to govern/fine-tune the electronic interactions in the resulting electron-donor–acceptor ensembles. In the context of covalent bridges, different spacers will be discussed, which range from pure “insulators” (i.e., amide bonds, etc.) to sophisticated “molecular wires” (i.e., p-phenylenevinylene units, etc.). Furthermore, we will elucidate the fundamental impact that these vastly different spacers may exert on the rate, efficiency, and mechanism of short- and long-range electron transfer reactions. Additionally, a series of non-covalent motifs will be described: hydrogen bonding, complementary electrostatics, π–π stacking and metal coordination—to name a few. These motifs have been successfully employed by us and our collaborators en route towards novel architectures (i.e., linear structures, tubular structures, rotaxanes, catenanes, etc.) that exhibit unique and remarkable charge transfer features.

Graphical abstract: Multifunctional molecular carbon materials—from fullerenes to carbon nanotubes

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Publication details

The article was received on 16 Jan 2006 and first published on 06 Mar 2006


Article type: Critical Review
DOI: 10.1039/B511541H
Citation: Chem. Soc. Rev., 2006,35, 471-487
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    Multifunctional molecular carbon materials—from fullerenes to carbon nanotubes

    D. M. Guldi, G. M. A. Rahman, V. Sgobba and C. Ehli, Chem. Soc. Rev., 2006, 35, 471
    DOI: 10.1039/B511541H

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