Water-soluble single-walled carbon nanotubes via noncovalent sidewall-functionalization with a pyrene-carrying ammonium ion

Naotoshi Nakashima, Yasuhiko Tomonari, Hiroto Murakami

    Research output: Contribution to journalArticlepeer-review

    414 Citations (Scopus)

    Abstract

    In this communication, we describe the finding that sonication of solid single-walled carbon nanotubes (p-SWNT) in an aqueous solution of a pyrene-carrying ammonium ion 1 gave a transparent dispersion/solution of the nanotubes, which was characterized by transmission electron microscopy, UV-vis absorption, fluorescence and 1H NMR spectroscopies. We showed evidence for the interaction of the nanotube sidewall and the pyrene moiety in the aqueous dispersion/solution.

    Original languageEnglish
    Pages (from-to)638-639
    Number of pages2
    JournalChemistry Letters
    Issue number6
    DOIs
    Publication statusPublished - Apr 5 2002

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)

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