Synthesis of Copper-Nickel Nanowires by Two-Step Method

Abstract

Abstract. Copper (Cu) nanowires were successfully coated with nickel (Ni) using a simple, low-temperature, twostepsolution process. The effect ofdifferent types of solvent, e.g. ethylene glycol and water,on the deposition of Ni on Cu was investigated using a scanning electron microscope (SEM), coupled with energy dispersive X-ray spectrometer (EDX). On the other hand, the composition of the nanowires was determined by X-ray diffraction (XRD). Smoother Cu-Ni nanowires were produced using ethylene glycol due to better dispersion of Cu nanowires and more controlled Ni diffusion during coating. This can be attributed to the slower reduction of Ni(II) ions in ethylene glycol, leading to a more controlled deposition on the Cu nanowires. The as prepared Cu-Ni nanowires were confirmed to be facecentered cubic (fcc) Cu and fcc Ni. Neither oxides of Cu nor Ni were present on the nanowires produced.

Atmospherically Stable Silver Nanowire/Hydroxyethyl Cellulose Films and their Application in Flexible Transparent Touch Screen

“…For example, AgNWs were prepared with polymer coatings such as poly(dimethylsiloxane) (PDMS) [17] and poly(ethoxysiloxane) (PES) [18], which can greatly improve the stability of AgNWs. On the other hand, CuNWs were covered with Ni to provide oxidation stability [19] Another approach was to create a mixture Cu and AgNWs in metal nanowire conducting inks, which lead to improved mechanical and electrical property of the transparent electrodes. [20] In this study, AgNWs were synthesized in high yield by an improved polyol method, and were deposited on polymer substrates to create flexible transparent conducting electrodes.…”