Enhancement of Graphene Oxide Deposition on Stainless Steel in Presence of Iodine

Abstract:

In this study, Graphene Oxide (GO) was prepared by modified Hummers method and characterized by X-ray diffraction technique (XRD). The characteristic peak of GO was observed at 2=10.94° compared to graphite’s peak at 2 = 26.4°. Aqueous stable suspension of GO was prepared, and its stability was confirmed using Zeta potential and found to be-28.9 mV. Electrophoretic Deposition (EPD) process of GO on stainless steel strips was investigated. The EPD process was optimized to obtain a large amount of deposited GO layer. The optimal applied voltage was found to be 30 V and optimal deposition time was 480 seconds. At the optimum conditions, the effect of the addition of iodine was investigated for its effect on the deposited layer homogeneity. Visual investigation of samples indicated that the homogeneity of the GO coated layer was enhanced in the presence of iodine and confirmed by scanning electron microscope (SEM).

• Periodical: Key Engineering Materials (Volume 801)
• Pages: 160-165
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.801.160
• Online since: May 2019
• Authors: Kholoud Madih*, Ahmed Hassan El-Shazly, Essam Hares
• Keywords: Coating, Electrophoretic Deposition, Graphene Oxide, Iodine

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