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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Magnetic iron oxide and iron oxide@gold nanoparticle anchored nitrogen and sulfur-functionalized reduced graphene oxide electrocatalyst for methanol oxidation
RSC Advances, Volume 5, No. 33, Year 2015
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Description
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 nanoparticles such as spherical iron oxide nanoparticles [(sp)Fe3O4], rod iron oxide nanoparticles [(rd)Fe3O4] and iron@gold nanoparticles (Fe3O4@AuNPs) involving L-cysteine functionalized reduced graphene oxide nanohybrids [(sp)Fe3O4/cys/rGO, (rd)Fe3O4/cys/rGO and Fe3O4@AuNPs/cys/rGO] and their application as an electrocatalyst for methanol electro-oxidation. The nanohybrids have been characterized by transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD). The experimental results have demonstrated that reduced graphene oxide-supported bimetallic nanoparticles enhanced the electrochemical efficiency for methanol electro-oxidation with regard to diffusion efficiency, oxidation potential and forward oxidation peak current. Fe3O4@AuNPs/cys/rGO, in comparison to (sp)Fe3O4/cys/rGO and (rd)Fe3O4/cys/rGO, showed the most efficiency for methanol electro-oxidation. © The Royal Society of Chemistry 2015.
Authors & Co-Authors
Atar, Necip
Turkey, Denizli
Pamukkale Üniversitesi
Eren, Tanju
Turkey, Denizli
Pamukkale Üniversitesi
Yola, Mehmet Lütfi
Turkey, Sinop
Sinop Üniversitesi
Karimi‑Maleh, Hassan
Iran, Kerman
Graduate University of Advanced Technology
Statistics
Citations: 155
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1039/c5ra03735b
ISSN:
20462069
Research Areas
Environmental