Setia Budi, Mila Alawiyah, Iwan Sugihartono, Sukro Muhab, An'Amt Mohamed Noor
Gold-based bimetallic nanoparticles possess promising applications in electrooxidation reactions due to their high catalytic activity. In this study, Gold (Au) and bimetallic Gold-Platinum (AuPt) nanoparticles were synthesised for application in ethanol electrooxidation using an electrodeposition technique on a fluorine-doped tin oxide (FTO) coated glass substrate. Based on electrochemical impedance measurements, bimetallic AuPt exhibits a lower resistance charge transfer (Rct) than single metal Au particles. Cyclic voltammetry analysis shows that bimetallic AuPt nanoparticles deliver a higher oxidation current and forward-to-backward current ratio (If/Ib) than Au. These results indicate that the presence of Pt successfully increases the catalytic activity of the nanoparticles, making them suitable for ethanol electrooxidation reactions. © 2022 Author(s).
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Timur, Jakarta, 13220, Indonesia; Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Timur, Jakarta, 13220, Indonesia; Advanced Materials Research Cluster, Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan, Jeli Campus, Kelantan, Jeli, 17600, Malaysia
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