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Published in:
01-05-2014
Large-scale synthesis of ultralong copper nanowires via a facile ethylenediamine-mediated process
Published in: Journal of Materials Science: Materials in Electronics | Issue 5/2014
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Abstract
Ultralong copper nanowires (NWs) with an average diameter of 70 nm and length up to 30 μm were synthesized at 70 °C via a facile solution-method. These NWs possess a unique tapered shape on the top end. Ethylenediamine was used as capping agent and was found to be important for controlling the aspect ratio of one-dimensional Cu nanostructures. XRD and EDX analysis indicated that the Cu NWs were free of any contamination, and HRTEM revealed such NWs had preferred [110] growth direction. The current synthetic strategy is low-cost, simple handle, large production, and may provide a promising method for growing Cu nanostructures with controlled shapes or using as solid precursors to synthesize other heterostructures.