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

doi:10.1063/1.2437582

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

Department of Physics

Research output: Contribution to journal › Article › peer-review

23 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 language	English
Article number	053514
Journal	Journal of Applied Physics
Volume	101
Issue number	5
DOIs	https://doi.org/10.1063/1.2437582
Publication status	Published - 2007

ASJC Scopus subject areas

Physics and Astronomy(all)

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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.",

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AU - Kim, Hyun Seung

AU - Joo, Jinsoo

AU - Suh, Yung Doug

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AB - 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.

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