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One-Step Wet Chemical Method to Cu(OH)2 Nanowires

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Under controlled temperature and pH of solution, Cu(OH)2 nanowires were successfully fabricated by dropping simply NaOH solution into CuSO4 solution. The morphology and composition of as-synthesized products were controllable by adjusting the pH value, reaction temperature and aging time. The influence of reaction conditions on the products was discussed in detail and optimum synthesis conditions were obtained. A mechanism of reconstruction involving dissolution, reprecipitation and transportation of [Cu(OH)4]2− was proposed. OH ions played an important role by absorbing on the surface of crystal planes which resulted in anisotropic growth of Cu(OH)2 crystals. This method with mild conditions was simple and repeatable. This route provides a new perspective to synthesize similar 1-D nanomaterials, such as Co(OH)2 and Ni(OH)2 and so on. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD) were used to characterize the products.


Document Type: Research Article


Publication date: December 1, 2007

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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