Abstract
The decoration of Copper Nanoparticles on Multiwalled carbon nanotubes (MWCNTs) and the study of electrocatalytic activity of these Cu/MWCNTs for methanol oxidation have been investigated. In the process, the activated MWCNTs were used as substrate precursor. The morphology of MWCNTs after Copper Nanoparticle decoration was characterized by High-resolution transmission electron microscope (HRTEM). The X-ray diffraction (XRD) patterns have shown the Copper deposition on MWCNTs. The extent of deposition of Copper Nanoparticles on MWCNTs including the under coat elements such as Tin and Palladium is obtained by Energy dispersive X-ray analysis (EDX) and X-Ray Photoelectron Spectroscopy (XPES). A significant electrocatalytic activity of Cu/MWCNTs for the oxidation of methanol was found by Cyclic Voltammetry and Electrochemical Impendence spectroscopic (EIS) studies.
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