International Journal of Advances in Science, Engineering and Technology(IJASEAT)
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Volume-7,Issue-1, Spl. Iss-2  ( Mar, 2019 )
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Submitted Papers : 80
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  Journal Paper

Paper Title
Copper-Polypyrrole Composite Films: Electrochemical Synthesis and Morphological Study

Abstract
Abstract - In this study, we investigated the charcateristics of composite thin films of polypyrrole (PPy) and copper (Cu) particles deposited onto indium tin oxide (ITO) substrate. The composites were synthesized using a facile two-step electrochemical process: at first, PPy films were grown in organic media by electropolymerization method under potentiodynamic control. Then, Cu particles were inserted within the polymeric matrix by reducing metal ions (Cu2+) using potentiostatic method. The surface morphology of the Cu-PPy composites was analysed by Atomic Force Microscopy (AFM) and Scanning Electron Microscopy (SEM). It was found that the obtained composites showed a globular morphology of the PPy film with a large amount of Cu particles well-dispersed on its surface with an average particles size of about 300 to 700 nm. The four-probe measurments demonstrated an enhancement in electrical conductivity of the Cu-PPy composites compared to the pristine PPy. Keywords - Composite, Conducting Polymer, Copper, Electrochemical Deposition.


Author - Charif Dehchar, Imene Chikouche

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