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

doi:10.1142/s0218863504002249

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

Department of Chemistry & Nanoscience

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

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.

Original language	English
Pages (from-to)	547-551
Number of pages	5
Journal	Journal of Nonlinear Optical Physics and Materials
Volume	13
Issue number	3-4
DOIs	https://doi.org/10.1142/s0218863504002249
State	Published - Dec 2004

Keywords

Conducting polymer
DC conductivity
Nanotube
Nanowire

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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.",

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AU - Kim, B. H.

AU - Park, D. H.

AU - Gu, Y. K.

AU - Joo, J.

AU - Kim, K. G.

AU - Jin, J. I.

PY - 2004/12

Y1 - 2004/12

N2 - 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.

AB - 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.

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

Abstract

Keywords

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