Journal
MATERIALS LETTERS
Volume 54, Issue 5-6, Pages 430-441Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0167-577X(01)00605-X
Keywords
conducting blends; electrical conductivity; FTIR spectroscopy; thermal analysis; differential scanning colorimetry; x-ray diffraction; cyclic voltarnmetry
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Conducting blends of poly(diphenylamine) (PDPA) doped with H2SO4 or p-toluenesulphonic acid (TSA) and poly(vinylidene fluoride) (PVDF) were successfully prepared by using N,N'-dimethyl formamide (DMF) as solvent. Flexible, free-standing and conducting polyblends were obtained by solution casting which are characterized by electrical conductivity measurements, UV-Visible spectroscopy, FTIR spectroscopy, thermogravimetric analysis (TGA), differential scanning colorimetry (DSC), X-ray diffraction analysis, and cyclic voltammetry. The blends showed an increase in conductivity from about 10(-9) to 10(-5) S cm(-1) with a percolation threshold of 5% of PDPA-H2SO4/TSA. (C) 2002 Elsevier Science B.V. All rights reserved.
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