Thermally and environmentally stable carrier doping using a solution method in carbon nanotube films

Yorihiko Sasaki, Haruya Okimoto, Kenji Yoshida, Yasuichi Ono, Yoshihiro Iwasa, Taishi Takenobu

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    In the present paper, we report the thermal stability of a single-walled carbon nanotube (SWCNT) film that was doped using tetrafluorotetracyanop- quinodimethane (F4TCNQ). The SWCNTs were doped using a vapor method and a solution method, and their thermostabilities were characterized using a gas chromatography/mass spectrometer (GC/MS) and resistance measurements. These measurements clearly demonstrated the high thermal stability of F 4TCNQ and the strong charge-transfer interaction between the SWCNTs and the dopants. As a result, we successfully observed an excellent long-term (longer than 500 h) thermal resistance up to 150 °C, which is a sufficient level of stability for the practical use of this dopant.

    Original languageEnglish
    Article number085102
    JournalApplied Physics Express
    Volume4
    Issue number8
    DOIs
    Publication statusPublished - 2011 Aug

    Fingerprint

    Carbon nanotubes
    Thermodynamic stability
    thermal stability
    carbon nanotubes
    Doping (additives)
    Mass spectrometers
    Single-walled carbon nanotubes (SWCN)
    Heat resistance
    Gas chromatography
    Charge transfer
    Vapors
    thermal resistance
    gas chromatography
    mass spectrometers
    charge transfer
    vapors
    interactions

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

    Cite this

    Thermally and environmentally stable carrier doping using a solution method in carbon nanotube films. / Sasaki, Yorihiko; Okimoto, Haruya; Yoshida, Kenji; Ono, Yasuichi; Iwasa, Yoshihiro; Takenobu, Taishi.

    In: Applied Physics Express, Vol. 4, No. 8, 085102, 08.2011.

    Research output: Contribution to journalArticle

    Sasaki, Yorihiko ; Okimoto, Haruya ; Yoshida, Kenji ; Ono, Yasuichi ; Iwasa, Yoshihiro ; Takenobu, Taishi. / Thermally and environmentally stable carrier doping using a solution method in carbon nanotube films. In: Applied Physics Express. 2011 ; Vol. 4, No. 8.
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