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The electric conductivities of polypyrrole and polythiophene films have been measured as a function of heat-treatment temperature. From room temperature to 150 o C, the conductivity of polypyrrole film remained constant. From 150 to 300 o C, the conductivity dropped due to the decomposition of polypyrrole and the loss of dopant ion (ClO 4- ). Above 300 o C, the...
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