Supramolecular catalysts for the gas-phase synthesis of single-walled carbon nanotubes

Takeshi Saito, Wei Chun Xu, Satoshi Ohshima, Hiroki Ago, Motoo Yumura, Sumio Iijima

    Research output: Contribution to journalReview articlepeer-review

    57 Citations (Scopus)

    Abstract

    Reversed micelles containing metallic ions have been used as precursors of novel catalysts for the gas-phase synthesis of single-walled carbon nanotubes (SWNTs). This technique possesses the following advantages: (i) excellent solubility in organic solvents, which are used as reactants and (ii) facile preparation of multicomponent catalysts enabling systematic screening of catalyst compositions for the synthesis of SWNTs. In this study, we report the results of the screening study on the catalytic behavior of Fe-Mo binary catalysts during the synthesis of SWNTs. The results suggested that the catalytic ability was closely related to the strain of the crystal structure of Fe-Mo catalysts formed in the reaction and/or the phase transition caused by dissolution of the Mo atoms. The addition of lithium to the Fe-Mo binary catalysts has revealed an increase in the yield of SWNTs.

    Original languageEnglish
    Pages (from-to)5849-5853
    Number of pages5
    JournalJournal of Physical Chemistry B
    Volume110
    Issue number12
    DOIs
    Publication statusPublished - Mar 30 2006

    All Science Journal Classification (ASJC) codes

    • Physical and Theoretical Chemistry
    • Surfaces, Coatings and Films
    • Materials Chemistry

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