Platinum nanoparticles anchored on chelating group-modified graphene for methanol oxidation
| Autor: | Matthew Gorring, Guihua Gao, Ning Wang, Jun Zhu, Shifeng Hou, Huan Feng, Marc L. Kasner, Marzena S. Wietecha |
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| Rok vydání: | 2012 |
| Předmět: |
inorganic chemicals
Materials science Renewable Energy Sustainability and the Environment Graphene Inorganic chemistry technology industry and agriculture Oxide Energy Engineering and Power Technology Ethylenediamine Electrochemistry Platinum nanoparticles Nanomaterial-based catalyst Catalysis law.invention chemistry.chemical_compound Chemical engineering chemistry law Transmission electron microscopy Electrical and Electronic Engineering Physical and Theoretical Chemistry |
| Zdroj: | Journal of Power Sources. 198:30-35 |
| ISSN: | 0378-7753 |
| DOI: | 10.1016/j.jpowsour.2011.09.073 |
| Popis: | Platinum nanoparticles (Pt-NPs) were deposited onto N-(trimethoxy-silylpropyl) ethylenediamine triacetic acid (EDTA-silane) modified reduced graphene oxide (EDTA-RGO). The EDTA-RGO/Pt-NPs were coated onto a glass carbon electrode and characterized using scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Raman spectra, and electrochemical tests. The chelating groups create a micro-environment that is suitable for the catalytic behavior of Pt-NPs. Compared with traditional carbon-based Pt catalysts, EDTA-RGO/Pt-NPs exhibit great tolerance towards poisoning by CO. Graphene-supported Pt nanoparticles can be used for the fabrication of fuel cell electrodes and other catalytic devices. |
| Databáze: | OpenAIRE |
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