期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 109, 期 48, 页码 22836-22842出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp054350p
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Cu(OH)(2) nanoneedle and nanotube arrays were electrochemically synthesized by anodization of a copper foil in an aqueous solution of KOH. The nanoneedles and nanotubes were constructed from nanosheets of Cu(OH)(2). Controlling the electrochemical conditions can qualitatively modulate the lengths, amounts, and shapes of Cu(OH)(2) nanostructures. The composition of as-prepared Cu(OH)(2) nanostructures has been confirmed by X-ray diffraction and select-area electron diffraction. The influences of the KOH concentration of the aqueous electrolyte, the reaction temperature, and Current density on the morphology of Cu(OH)(2) nanostructures were investigated, and the formation mechanism of the nanostructures is discussed. Furthermore, Cu(OH)(2) nanoneedles can be successfully transformed to CuO nanoneedles with little morphology change by heating This work developed a simple, clean, and effective route for fabrication of large area Cu(OH)(2) or CuO nanostructured films.
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