Setia Budi, Amelia Sabella, Annisa Auliya, An'amt Mohamed Noor, Erfan Handoko, Iwan Sugihartono, Riser Fahdiran, Imam Basori, Suci Winarsih
A square-wave deposition technique synthesized platinum (Pt) nanoparticles as electrocatalysts for the ethanol electrooxidation reaction. The electrodeposition was conducted in a solution with different concentrations of H2SO4 as a supporting electrolyte. Structural analysis using an X-ray diffractometer shows that a face-centered cubic of Pt nanoparticles was successfully deposited on the substrate. At a supporting electrolyte concentration of 0.5 M, the granular particles with rough surface nanoparticles were formed. The delicate spikes, which became thicker by increasing the supporting electrolyte concentration, were found to grow on the surface of the particles. The cyclic voltammogram showed that the highest anodic current from the ethanol electrooxidation reaction was obtained by Pt0.5M, which was found to exhibit a low charge transfer resistance measured by an electrochemical impedance spectroscopy technique. © 2024 American Institute of Physics Inc.. All rights reserved.
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jalan Rawamangun Muka, Jakarta Timur, 13220, Indonesia; Research Center for Advanced Materials, Lembaga Penelitian dan Pengabdian Kepada Masyarakat, Universitas Negeri Jakarta, Jalan Rawamangun Muka, Jakarta Timur, 13220, Indonesia; The Center for Science Innovation, Jakarta Timur, 13120, Indonesia; Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan, Kelantan, Jeli, 17600, Malaysia; Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Jalan Rawamangun Muka, Jakarta Timur, 13220, Indonesia; Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Jakarta, Jalan Rawamangun Muka, Jakarta Timur, 13220, Indonesia; Research Center for Quantum Physics, National Research and Innovation Agency, Tangerang Selatan, 15314, Indonesia
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