Platinum Nanoparticles Anchored on Chelating Group-Modified Graphene for Methanol Oxidation
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.
MSU Digital Commons Citation
Wietecha, Marzena S.; Zhu, Jun; Gao, Guihua; Wang, Ning; Feng, Huan; Gorring, Matthew; Kasner, Marc; and Hou, Shifeng, "Platinum Nanoparticles Anchored on Chelating Group-Modified Graphene for Methanol Oxidation" (2012). Department of Earth and Environmental Studies Faculty Scholarship and Creative Works. 474.