Abstract
A rapid, template-free method was developed to prepare magnetic, bimetallic Co–Cu nanowires via liquid phase reduction and metal replacement under an external magnetic field. The characterization results confirmed that the as-prepared product was bimetallic Co–Cu nanowires with a desirable linear structure. Additionally, the magnetic hysteresis loop showed that the bimetallic Co–Cu nanowires were paramagnetic, which meant they could be easily separated from the reaction mixture. Furthermore, they were applied to the hydrolysis system of ammonia borane as a catalyst for the first time. More importantly, the catalysis results showed that the bimetallic nanowires possessed appealing catalytic performance. Therefore, a rapid and facile synthesis method is introduced which is capable of preparing bimetallic Co–Cu nanowires with great potential for industrial applications.
Highlights
At present, the primary synthetic method for Co–Cu nanowires is mainly electrodeposition by different templates, as found in the previous literature
Many researchers have been devoted to the preparation and characterization of Co–Cu nanowires due to its significant magnetic [1-6] and chemical properties [7]
It was very evident that the linear structure of the Co–Cu nanowires prepared without an external magnetic field was undesirable
Summary
The primary synthetic method for Co–Cu nanowires is mainly electrodeposition by different templates, as found in the previous literature. The reaction was over after about 5 min, and the product of Co nanowires was collected and rinsed three times with deionized water and ethanol, respectively. The product of bimetallic Co–Cu nanowires was rinsed three times by deionized water and ethanol.
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