Abstract
Fuel cells have been attracting more and more attention in recent decades due to high-energy demands, fossil fuel depletions, and environmental pollution throughout world. In this study, we report the synthesis of metallic and bimetallic nanoparticle (AgNP, AuNP, and Ag@AuNP)-involved l-cysteine-functionalized reduced graphene oxide nanocomposite (AgNPs/cis/rGO, AuNPs/cis/rGO, and Ag@Au/cis/rGO) and their applications as an electrocatalyst for methanol electro-oxidation. The nanocomposites were characterized by transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD). Experimental results demonstrated that the prepared nanocomposites enhanced electrochemical efficiency for methanol electro-oxidation with regard to diffusion efficiency, oxidation potential, and forward oxidation peak current.
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Acknowledgments
This work was supported by The Scientific and Technological Research Council of Turkey (TUBITAK), with project number 113Z264. We would like to thank TUBITAK for the financial support.
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Atar, N., Eren, T., Demirdögen, B. et al. Silver, gold, and silver@gold nanoparticle-anchored l-cysteine-functionalized reduced graphene oxide as electrocatalyst for methanol oxidation. Ionics 21, 2285–2293 (2015). https://doi.org/10.1007/s11581-015-1395-1
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DOI: https://doi.org/10.1007/s11581-015-1395-1