Synthesis, Characterisation and Voltammetric Behaviour of Pani-Clay (MMT) Nanocomposite

Ragupathy Baby Suneetha; Chinnapiyan Vedhi

doi:10.4028/www.scientific.net/AMR.678.258

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 678Synthesis, Characterisation and Voltammetric...

Synthesis, Characterisation and Voltammetric Behaviour of Pani-Clay (MMT) Nanocomposite

Abstract:

Aniline was polymerized with mmt (Montmorrillonite) by chemical oxidation method using potassium perdisulphate. The solubility of the chemically prepared polymer–clay nanocomposite was ascertained and it showed good solubility in DMSO and DMF. The Pani–mmt nanocomposites were characterized by UV–Vis, FTIR spectral studies. Amine vibration peak observed at 1593 cm-1 was shifted to lower wave numbers when the polymer–clay nanocomposites were formed. The X-ray diffraction studies revealed the formation of nano sized (26 nm) crystalline nanocomposite. SEM analysis showed mixed granular nature of the polymer–clay nanocomposite in which polymer was intercalated with the clay. EDAX analysis shows the presence of Na, Mg Al, Si, C and N. Cyclic Voltammetric studies exhibit good adherent behaviour on electrode surface at pH 1.0. It exhibited two oxidation peaks at 0.360V and 0.638V and two reduction peaks at 0.431V & 0.103V. Chronoamperometric and chronocoulometric studies were also carried out at inert as well as oxidation atmosphere.