Electrochemical fabrication of metallic nanowires and metal oxide nanopores
Electrochemical fabrication of metallic nanowires and metal oxide nanopores
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DOI：
10.1080/10426910701233137
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发表时间：
2007-01-01
影响因子：
4.8
通讯作者：
Kagawa, Akio
中科院分区：
文献类型：
--
作者：
Ohgai, Takeshi;Mizumoto, Masayuki;Kagawa, Akio
采用具有多个圆柱形纳米孔的核轨迹蚀刻聚碳酸酯滤膜作为纳米孔模板用于金属纳米线的生长。镍、钴和铁纳米线被电沉积到圆柱形纳米孔中。测定了阴极极化曲线，确定了纳米线生长的最佳条件。利用扫描电子显微镜（SEM）观察了纳米线的形状，并用透射电子显微镜（TEM）分析了纳米线的晶体结构。纳米线的直径和长度与纳米孔的直径和长度相对应，每条纳米线由单晶组成。制备了氧化铝阳极氧化膜作为新型纳米孔模板。通过改变阳极氧化条件来控制孔长和孔径。研究了阳极氧化铝膜中纳米孔阵列的有序行为，制备了一种具有高度有序的蜂窝状纳米孔阵列的新型纳米孔模板。
A nuclear track etched polycarbonate membrane filter with numerous cylindrical nanopores was applied as a nanoporous template for growing metallic nanowires. Nickel, cobalt, and iron nanowires were electrodeposited into the cylindrical nanopores. Cathodic polarization curves were measured to determine an optimum condition for growing nanowires. The shape of nanowires was observed using scanning electron microscope ( SEM) and the crystal structure was analyzed using transmission electron microscopy ( TEM). Diameter and length of nanowires corresponded to those of nanopores and each nanowire was composed of a single crystal. Anodized aluminum oxide films were also fabricated as a novel nanoporous template. The pore length and diameter was controlled changing anodizing conditions. Ordering behavior of nanopores array in an anodized aluminum oxide film was also investigated to make a novel nanoporous template with a highly ordered honeycomb array of nanopores.