Electrical conductivities of polypyrrole reacted with dopant solutions
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Polypyrrole was prepared by chemical methods (in water by mixing a solution of pyrrole with an oxidizing solution of FeCl3) and by electrochemical methods. FTIR spectroscopy was used for determining the structure and reaction mechanisms.
The main aims were first to prepare some conductive polymers by applying new, efficient, and effective methods to obtain high percent conversions and then to obtain maximum conductivity for each polymer by varying the reactant concentrations. After finding the most effective reactant concentrations, and adjusting molar ratios to improve the conductivity to higher values, the system was treated with different dopants such as ClO4 - ion, I2, and p-toluene sulfonic acid sodium salt. For each dopant-monomer system, the most effective dopant concentration has been determined.
Received: 11 December 2000 / Revised and accepted: 13 December 2000
- Electrical conductivities of polypyrrole reacted with dopant solutions
Material Research Innovations
Volume 5, Issue 1 , pp 40-49
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- Keywords Polypyrrole
- Dopant Resonance
- Peak height