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Title: Solution-based epitaxial growth of magnetically responsive Cu@Ni nanowires
Authors: Zhang, S. 
Zeng, H.C. 
Issue Date: 23-Feb-2010
Citation: Zhang, S., Zeng, H.C. (2010-02-23). Solution-based epitaxial growth of magnetically responsive Cu@Ni nanowires. Chemistry of Materials 22 (4) : 1282-1284. ScholarBank@NUS Repository.
Abstract: An experiment was conducted to show the solution-based epitaxial growth of magnetically responsive Cu@Ni nanowires. The Ni-sheathed Cu nanowires were synthesized with a one-pot approach. 30 mL of high concentration NaOH, Cu(NO3)2. 3H2O, Cu(NO3)2. 3H2O and 0.07-0.30 mL of Ni(NO3)2. 6H 2O aqueous solutions were added into a plastic reactor with a capacity of 50.0 mL. A varying amount of ethylenediamine (EDA) and hydrazine were also added sequentially, followed by thorough mixing of all reagents. The dimension, morphology, and chemical composition of the products were examined with scanning electron microscopy with energy dispersive X-ray spectroscopy. The XPS analysis on the as formed Cu nanowires confirms that there is indeed no nickel inclusion in the nanowires prior to the formation of nickel overcoat, which rules out the possibility of Cu-Ni alloy formation.
Source Title: Chemistry of Materials
ISSN: 08974756
DOI: 10.1021/cm903105f
Appears in Collections:Staff Publications

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