One-step synthesis of palladium-gold-silver ternary nanoparticles supported on reduced graphene oxide for the electrooxidation of methanol and ethanol. (1st August 2015)

• Record Type: Journal Article
• Authors: Zhang, Li; Wang, Huan; Li, Xichuan; Xia, Fengling; Liu, Yu; Xu, Xiaoyang; Gao, Jianping; Xing, Fubao
• Is Part Of: Electrochimica acta. Volume 172(2015)
• Page Start: 42
• Page End: 51
• Publication Date: 2015-08-01
• Subjects: Electrochemistry -- Periodicals; Electrochemistry, Industrial -- Periodicals; 541.37
• DOI: 10.1016/j.electacta.2014.11.152
• Languages: English
• ISSNs: 0013-4686

Abstract

Highlights: A green procedure for preparing a Pd-Au-Ag/RGO electrocatalyst was developed. The GO serves as the reducing agent, the stabilizing agent and the support. Excellent electrocatalytic activity for methanol oxidation in alkaline media. ABSTRACT: Simultaneous redox reactions between K2 PdCl4, HAuCl4, AgNO3, and graphene oxide (GO) are used to prepare Pd-Au-Ag nanoparticles (NPs) supported on reduced graphene oxide (RGO) by a facile method. The GO serves as the reducing agent, the stabilizing agent and the support. The morphology and composition of the Pd-Au-Ag(1:1:1)/RGO NPs are characterized by transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, thermo-gravimetric analysis, Raman spectroscopy and electrochemical measurements. The prepared Pd-Au-Ag(1:1:1)/RGO has good electrocatalytic activity and stability for the oxidation of methanol and ethanol in alkaline media. This prepared Pd-Au-Ag(1:1:1)/RGO catalyst should have great potential for use in direct alcohol fuel cell.