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Electrical conductivity response of polyaniline/zeolite composites towards CO is investigated in terms of dopant type, dopant concentration, zeolite LTA content and zeolite pore size. Both MA and HCl doped polyanilines respond with comparable magnitudes towards CO; the latter responses are slightly smaller for the same doping level. Addition of zeolite 4A reduces the electrical conductivity response...
Electrical conductivity and the responses to SO 2 -N 2 mixtures of HCl-doped and CSA-doped solvent cast polyaniline films (PANI/HCl and PANI/CSA) were investigated. At a given doping level or with the same number of charge carriers present, electrical conductivity of PANI/HCl films is greater than that of PANI/CSA films due to the more closely packed crystalline domain of the PANI/HCl...
Polyaniline emeraldine base was chemically synthesized and converted to polyaniline emeraldine salts through the protonation doping process using HCl and CH 3 COOH as the acid dopants. The doped polyanilines were characterized by ultraviolet-visible (UV-VIS) spectroscopy, Fourier transform-infrared (FT-IR) spectroscopy, TGA, GPC. The four-point probe technique was used to evaluate the effect...
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