Convenient Route to Cu-Ag Bimetallic Nanoleaflets with High Content of Cu and their Electrochemical Properties

Abstract:

Cu-Ag alloy nanoparticles were synthesized by a liquid phase reduction method. Using sodium formaldehyde sulfoxylate (SFS) as reducing agents, copper-silver bimetallic nanoleaflets with high content of Cu were prepared. The obtained Cu-Ag bimetallic nanocrystal were characterized by powder X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), field emission scanning electron microscope (FESEM), high resolution transmission electron microscopy (HRTEM) and transmission electron microscopy (TEM). Different molar ratio of Cu-Ag bimetallic nanomaterials could produce different morphologies. The surfactant β-CD plays a crucial role on the structure of the products. The different molar ratios of Cu-Ag were also investigated. The electrochemical activity was evaluated using cyclic voltammetry (CV), electrochemical hydrogen evolution reaction (HER) in a 0.5M Na₂SO₄ electrolyte.

• Periodical: Key Engineering Materials (Volume 727)
• Pages: 395-402
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.727.395
• Online since: January 2017
• Authors: Zi Run Wang, Xin Liu, Gui Qi Xie, Yi Wu, Ming Nie, Hua Lin, Qing Li*
• Keywords: Cu-Ag Bimetallic, Electrochemical Property, Nanoleaflets

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