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Rectification of hetero nanojunction of π-conjugated polymer nanowires

  • D. H. Park*
  • , Y. B. Lee
  • , B. H. Kim
  • , Y. K. Hong
  • , S. J. Lee
  • , S. H. Lee
  • , H. S. Kim
  • , J. Joo
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We synthesized hetero nanojunctions of π-conjugated polymer nanowires, such as poly (3,4-ethylenedioxythiophene) (PEDOT)-polypyrrole (PPy) and PEDOT-polythiophene (PT). The systems were synthesized in a nanoporous template of anodisc alumina oxide (Al 2O 3) by using a sequential electrochemical polymerization method. To discern the formation and the structure of the hetero nanojunctions of the PEDOT-PPy and the PEDOT-PT nanowires, we used a scanning electron microscope. The co-existence of PEDOT, PPy, or PT in the hetero nanojunctions of the polymer nanowires was confirmed through Fourier transform-infrared spectroscopy spectra. We observed that the current-voltage (I - V) characteristic curves of the hetero nanojunctions of PEDOT-PT nanowires had a rectifying behavior.

    Original languageEnglish
    Pages (from-to)1468-1471
    Number of pages4
    JournalJournal of the Korean Physical Society
    Volume48
    Issue number6
    Publication statusPublished - 2006 Jun

    Keywords

    • Hetero nanojunction
    • Nanowires
    • Poly (3,4-ethylenedioxythiophene)
    • Polypyrrole
    • Polythiophene

    ASJC Scopus subject areas

    • General Physics and Astronomy

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