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Spatially Oriented and Reversible Surface Assembly of Single-Walled Carbon Nanotubes: A Strategy Based on π–π Interactions

Authors

  • Prof. Tommaso Ferri,

    Corresponding author
    1. Dipartimento di Chimica, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, Roma 00185 (Italy)
    • Dipartimento di Chimica, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, Roma 00185 (Italy)
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  • Dr. Daniele Frasca,

    1. Dipartimento di Chimica, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, Roma 00185 (Italy)
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  • Prof. Olimpia Arias de Fuentes,

    1. Instituto de Ciencia y Tecnología de Materiales, Universidad de La Habana, Ciudad de La Habana (Cuba)
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  • Prof. Roberto Santucci,

    1. Dipartimento di Medicina Sperimentale e Scienze Biochimiche, Università di Roma “Tor Vergata”, Roma (Italy)
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  • Dr. Marco Frasconi

    Corresponding author
    1. Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, Roma 00185 (Italy)
    2. Present address: Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113 (USA)
    • Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, Roma 00185 (Italy)
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  • We gratefully acknowledge H. Nizri for support with the AFM measurements and A. D’Annibale for providing biphenylthiol.

Abstract

original image

Nanoröhren freigesetzt: Die π-π-Stapelwechselwirkungen zwischen einwandigen Kohlenstoffnanoröhren (SWCNTs) und einer auf einer Goldoberfläche verankerten Monoschicht aromatischer Ringe bewirken eine reversible Assoziation der SWCNTs an der Oberfläche. Die Protonierung einer pyridinbasierten selbstorganisierten Monoschicht verringert die Pyridin-SWCNT-Wechselwirkung und setzt so die SWNCTs frei (siehe Bild).

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