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Title: Electrochemically functionalized graphene as an anti-corrosion reinforcement in Cu matrix composite thin films
Authors: Behera, Akhya kumar
Das, Amlan
Mallik, Archana
Keywords: Graphene
Issue Date: Dec-2019
Citation: 2nd International Conference on Processing and Characterization of Materials (ICPCM 2019) Rourkela, India, 12-14 December 2019.
Abstract: In this article, Cu-Gr composite thin films are prepared by electrodeposition route using in-house synthesized graphene sheets. Graphene sheets are synthesized by electrochemical exfoliation route using 1M HClO4 acid as electrolyte. Graphene sheets have been confirmed by XRD, FTIR, FESEM and TEM microscopy. The (002) plane of graphene sheets are observed at 2θ of 25.66⁰. The (002) plane confirms the crystal structure of carbon peaks. The stretching vibration of C=C bond at a wavelength of 1577 cm-1 and other functional groups of carboxyl and epoxide groups have been observed from FTIR. TEM microscopy confirms the transparent structure of graphene sheets. The prepared graphene sheets were used as reinforcement with a copper matrix to synthesis Cu-Gr composite. The graphene concentration of 0.1g/L and 0.3g/L was added with 1M CuSO4.5H2O electrolyte. The prepared Cu-Gr nanocomposite thin films have been analyzed by XRD, SEM and EDS for morphological and analytical study. The presence of graphene sheets in Cu-Gr composite was confirmed by EDS analysis. The prepared Cu-Gr nanocomposite thin film shows 28% higher corrosion resistance as compared to pure copper thin films.
Description: Copyright of this document belongs to proceedings publisher.
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