The poly(ethylene terephthalate)/polyaniline composite: AFM, DRS and EPR investigations of some doping effects
作者： A. A. Pud , M. Tabellout , A. Kassiba , A. A. Korzhenko , S. P. Rogalsky
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摘要: A composite based on PET as a matrix and thin layer of PANI produced by chemical polymerisation aniline in the surface is investigated means four probe conductivity method, standard conducting AFM, DRS EPR techniques. Conducting AFM shows that forms clusters. Standard topographical images prove undoped form has flat surface, whereas doped one exhibits mountainous features. spectra revealed transition from to accompanied with an increase high frequency peak associated clusters leading appearance two low relaxation processes connected interfacial polarization phenomena. It found behaviors HClO4 HCl acids are similar. The obtained both induced kinds paramagnetic centres (PC). Irrespective dopant, anomalous thermal PC spin times susceptibilities evidenced above 180 K. These effects changes electronic transport properties.
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