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中文摘要：
通过对纯铝板电化学阳极氧化及腐蚀液处理,在一定的条件下制备出了排布有序的Al_2O_3纳米线,采用SEM、EDS、IR手段对纳米线微观形貌和组成进行了表征.实验结果表明：多孔Al_2O_3薄膜经腐蚀后形成纳米线,在铝基板上呈六角形排布,组成为纯Al_2O_3,直径随电氧化温度、槽电压的升高和腐蚀处理时间的延长减小,直径范围为16～60nm,长径比较大.在实验的基础上,提出了有序排布Al_2O_3纳米线的形成机理.
英文摘要：
Al_2O_3 nanowires were prepared with the method of electrochemical oxidation followed by acid corrosion. The morphology and structure of Al_2O_3 nanowires were characterized by SEM,EDS and IR.The experimental results show that Al_2O_3 nanowires with hexagonal arrangement and large aspect ratio are formed from Al_2O_3 porous film by electro-oxidation of aluminum substrate.The diameter of the pure Al_2O_3 nanowires is from 16nm to 60nm,and decreases with the rising of electrolyte temperature,cell voltage and the prolonging of corrosion time.On the basis of characterization of nanowires on Al_2O_3 porous film,a possible formation mechanism was proposed.
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