Confocal Raman spectroscopy of single poly(3-methylthiophene) nanotubes

Hyun Jun Kim, Dae Chul Kim, Ryun Kim, Jeongyong Kim, Dong Hyuk Park, Hyun Seung Kim, Jinsoo Joo, Yung Doug Suh

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    24 Citations (Scopus)

    Abstract

    We present the confocal Raman spectra of isolated single poly(3-methylthiophene) (P3MT) nanotubes fabricated by the electrochemical polymerization method. A complete polymerization to the level of individual nanotubes has been confirmed by the clear observation of all characteristic Raman modes from each P3MT nanotube. A high-resolution confocal microscope combined with an atomic force microscope enabled us to detect subtle differences in spectra taken at different locations of the nanotube, which are attributed to fluctuation of the conjugation length distribution and the doping level.

    Original languageEnglish
    Article number053514
    JournalJournal of Applied Physics
    Volume101
    Issue number5
    DOIs
    Publication statusPublished - 2007

    Bibliographical note

    Funding Information:
    This research has been supported by a grant (No. M102KN010001-02K1401-00723) from the Center for Nanoscale Mechatronics and Manufacturing of the 21st Century Frontier Research Program and a grant (No. R01-2004-000-10446-0) from the Basic Research Program of the Korea Science and Engineering Foundation.

    ASJC Scopus subject areas

    • General Physics and Astronomy

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