Physics – Condensed Matter – Materials Science
Scientific paper
2008-09-21
Physics
Condensed Matter
Materials Science
15 pages
Scientific paper
Conductive polymers or "organic metals" are highly engineered nanostructured materials made from organic building blocks. They are candidates as molecular wires for nanotechnology applications in molecular electronics. The conduction in these polymers is due to the presence of delocalized molecular orbitals. In this work, we present the synthesis of chloride doped polyaniline by bulk oxidative chemical polymerization using a solid aniline salt as a monomer instead of liquid aniline to diminish toxic hazards. The FTIR and UV-visible spectra confirmed the expected structure of the polymer. The electrical conductivity measured using a four-probe method was 1.7 S/cm. The dependence of impedance modulus on frequency was measured using an HP impedance analyzer in the range 10 kHz-13 MHz. The influence of doping and the preparation temperature on the electrical conductivity were also investigated.
Atassi Yomen
Ismail Mazen
Tally Mohammad
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