화학공학소재연구정보센터
Journal of Industrial and Engineering Chemistry, Vol.10, No.6, 1058-1061, November, 2004
Controlling the Diameter of Cu2O Nanowires by Electrodeposition
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Cuprous oxide (Cu2O) nanowires were prepared by electrodeposition into a porous alumina template. To deposit the Cu2O nanowires defect-free into the alumina membrane, a cathodic current density of -0.5 mA/cm2 was constantly applied in a copper sulfate electrolyte in the presence of lactic acid. Top-view and cross-sectional observations by TEM and SEM showed homogeneous filling of the Cu2O nanowires in the 100- and 200-nm alumina pores. The length of the Cu2O nanowires was 4 μm. EDS data indicated pure Cu2O and XRD analysis showed preferential growth of Cu2O (200) and (111) nanowires in the absence of Cu metal and CuO.
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