Electrical, magnetic, and optical properties of π-conjugated polymer nanotubes and nanowires

B. H. Kim, D. H. Park, Y. K. Gu, J. Joo, K. G. Kim, J. I. Jin

Research output: Contribution to journalArticlepeer-review


Nanotubes and nanowires of π-conjugated polypyrrole (PPy) and poly (3,4-ethylenedioxythiophene) were synthesized using Al2O3 nanoporous template through electrochemical polymerization method. From the SEM and TEM photographs, the formation of conducting polymer nanotube (CPNT) and nanowire (CPNW) was confirmed. From FT-IR and UV/Vis absorbance spectra, we observed the effect of doping and de-doping through HF or NaOH dissolving of Al2O3 template. DC conductivity and I-V characteristics as a function of temperature and gate bias were measured for the CPNTs and CPNWs prepared with various synthetic conditions. Magnetic properties were measured through EPR experiments. Based on the results, we compare the intrinsic properties between bulk and nanoscale π-conjugated polymers.

Original languageEnglish
Pages (from-to)547-551
Number of pages5
JournalJournal of Nonlinear Optical Physics and Materials
Issue number3-4
StatePublished - Dec 2004


  • Conducting polymer
  • DC conductivity
  • Nanotube
  • Nanowire


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