Structure of doped polyaniline - dielectric spectroscopy measurements

6533b829fe1ef96bd128ae3c

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Structure of doped polyaniline - dielectric spectroscopy measurements

subject

Chemistry Doping General Physics and Astronomy Dissociation (chemistry)Dielectric spectroscopy chemistry.chemical_compound Adsorption Impurity [PHYS.HIST]Physics [physics]/Physics archives Electric field Polymer chemistry Polyaniline Physical chemistry Dielectric loss

description

The role of doping reagents (residual water and acid anions) in determining the electric properties of a chemically synthesized polyaniline (PANI) was studied using a dielectric spectroscopy method. Dependencies of dielectric losses and susceptibility of PANI as the functions of temperature (-100÷+100°C) and electric field frequency (0.3÷30000 Hz) were examined at it was shown the role of water acts as a doping impurity similar to acid anions. The model is proposed to explain the role of water in terms of adsorption of H 2 O molecules at nitrogen sites of PANI chain and their dissociation

year	journal	country	edition	language
1993-11-01	Le Journal de Physique IV

https://doi.org/10.1051/jp4:19937245

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