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- Title
ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES OF π-CONJUGATED POLYMER NANOTUBES AND NANOWIRES.
- Authors
B. H. Kim; D. H. Park; Y. K. Gu; J. Joo; K. G. Kim; J. I. Jin
- Abstract
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.
- Subjects
NANOTUBES; NANOWIRES; POLYMERIZATION; ELECTROCHEMICAL analysis; CHEMICAL reactions; ELECTRON paramagnetic resonance
- Publication
Journal of Nonlinear Optical Physics & Materials, 2004, Vol 13, Issue 3/4, p547
- ISSN
0218-8635
- Publication type
Article
- DOI
10.1142/S0218863504002249