Microstructure of metal-filled carbon nanotubes

Shoichi Toh, Kenji Kaneko, Yasuhiko Hayashi, Tomoharu Tokunaga, Won Jin Moon

    Research output: Contribution to journalArticlepeer-review

    20 Citations (Scopus)


    Catalysts are usually required to produce carbon nanotubes (CNTs) and play important roles during the growth process. Any catalysts that remain after processing are expected to add extra properties and removal of the catalysts is usually required to achieve the original properties of CNTs. Recently, CNTs have been filled incidentally by catalysts, such as Pb, Sn, Ni and Bi. This has led to success in obtaining additional properties and a few models have been proposed to describe the encapsulating mechanisms. In the present study, CNTs were filled with palladium by a microwave plasma-assisted chemical vapor deposition method. Detailed structural and compositional investigations of these metal-filled CNTs were carried out by transmission electron microscopy to elucidate the growth mechanisms.

    Original languageEnglish
    Pages (from-to)149-155
    Number of pages7
    JournalJournal of Electron Microscopy
    Issue number2
    Publication statusPublished - 2004

    All Science Journal Classification (ASJC) codes

    • Instrumentation


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