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Preparation of agcl/polyaniline nanocomposite in polyvinylalcohol matrix and its electrocatalytic activity
Author(s) -
Fathalipour Soghra,
Massoumi Bakhshali
Publication year - 2015
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.42366
Subject(s) - ammonium persulfate , polyaniline , nanocomposite , materials science , fourier transform infrared spectroscopy , aniline , polyvinyl alcohol , chemical engineering , polymerization , polymer chemistry , conductive polymer , scanning electron microscope , nuclear chemistry , polymer , composite material , chemistry , organic chemistry , engineering
AgCl/polyaniline (PANI) nanocomposite was successfully synthesized in polyvinyl alcohol (PVA) matrix via a two‐stage process. Firstly, positively‐charged Ag nanoparticles (NPs) were prepared in the presence of 4‐aminothiophenole (4‐ATP) as stabilizer. Then, polymerization of aniline was carried out in PVA matrix in the presence of Ag NPs, HCl, and ammonium persulfate as oxidant. HCl solution played an important role in the preparation of resulted nanocomposite. Removal or changing of acidic medium to camphorsulfonic acid influenced on the structure and morphology of obtained composites. The composites were characterized by scanning electron microscopy, transmission electron microscopy, X‐ray diffraction, energy‐dispersive X‐ray spectroscopy, ultraviolet–visible spectra, and Fourier transform infrared spectroscopy. Moreover, AgCl/PANI/PVA nanocomposite was immobilized on the surface of a glassy carbon electrode and showed enhanced electrocatalytic activity for the oxidation of dopamine (DA) in a neutral solution. The peak currents of differential pulse voltammograms of DA increased linearly with concentration in the ranges of 80–250 μ M DA and the detection limit for DA was 17.2 μ M . © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132 , 42366.