Morphology control of hybrid Cu–Cu2O nanostructures fabricated by electrochemical migration
Toshinori Aoki, Yuan Li, M. Saka
Feb 1, 2019
Citations
7
Citations
Journal
Materials Letters
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Key Takeaway Key Takeaway: Changing experimental parameters during electrochemical migration can easily control the morphology of hybrid Cu–Cu2O nanostructures, offering advantages over conventional methods requiring special chemical agents.
Abstract
Abstract The morphological control of hybrid Cu–Cu2O nanostructures during electrochemical migration (ECM) fabrication was systematically investigated by performing a series of current-stressing experiments. Here, in order to induce ECM, a direct voltage was applied to two separated Cu electrodes at a fixed distance, which were set in an acrylic cell filled with deionized water. By changing the cell temperature and voltage, porous spongy and bamboo-leaf-like hybrid Cu–Cu2O nanostructures were obtained. The branch diameter and length increased with an increase in cell temperature, while the increase in applied voltage resulted in fine nanostructures. These results indicate that the morphology of hybrid Cu–Cu2O nanostructures can be easily controlled by changing experimental parameters, which is advantageous over conventional fabrication methods in which special chemical agents are usually necessary.