Selective deposition of a gadolinium(III) cluster in a hole opening of single-wall carbon nanohorn

Ayako Hashimoto, Hideki Yorimitsu, Kumiko Ajima, Kazutomo Suenaga, Hiroyuki Isobe, Jin Miyawaki, Masako Yudasaka, Sumio Iijima, Eiichi Nakamura

    Research output: Contribution to journalArticlepeer-review

    99 Citations (Scopus)

    Abstract

    Selective synthesis of particles of angstrom to nanometer size consisting of one to many metal atoms is instrumental in various applications, but it has been hampered by the tendency of the metal atom to form large clusters. We found, as studied by the state-of-the-art electron microscopic technique, a strategy to produce metal-containing nanoparticles isolated from each other by depositing metal atoms in a hydrophilic hole on or in the interior of a carbon nanotube as demonstrated by the reaction of Gd(OAc)3 with oxidized single-wall nanohorns. Besides the potential utilities of the deposited metal clusters, the metal deposition protocol provides a method to control permeation of molecules through such openings.

    Original languageEnglish
    Pages (from-to)8527-8530
    Number of pages4
    JournalProceedings of the National Academy of Sciences of the United States of America
    Volume101
    Issue number23
    DOIs
    Publication statusPublished - 2004 Jun 8

    Keywords

    • Carbon nanotube
    • Metal deposition
    • Metal nanoparticle
    • Self-assembly

    ASJC Scopus subject areas

    • General

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