Journal
JOURNAL OF SPECTROSCOPY
Volume 2018, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2018/7320654
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Funding
- Tunisian Ministry of Higher Education and Scientific Research
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Polyaniline (PANI)/Ag@AgCl nanocomposites were successfully synthesized by one-step method, which consists of mixing aqueous solutions of silver nitrate with aniline chloride and delaying the evolution of reaction. By this way, aniline chloride represents a monomer for PANI and a source of Cl- anions necessary for the formation of AgCl, and silver nitrate acts simultaneously as oxidant initiator for aniline polymerization and precursor for AgCl@Ag phase. the formation of polyaniline has been identified by the change of color to black green and from RAMAN and FTIR spectroscopy while AgCl@Ag phase has been highlighted from XRD and RAMAN. the application of Debye-Scherrer theory allows us to measure the crystallite sizes of Ag and AgCl which were, respectively, 23 and 52 nm. the AC conductivity showed a regime of constant DC conductivity at low frequencies corresponding to 0.4 S/cm(-1) and a crossover to a frequency-dependent regime of the type A omega(s) at high frequencies.
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