以透明导电玻璃(ITO)和铜片为工作电极,用简单铜盐通过阴极还原制备了Cu2O 薄膜.采用X射线衍射(XRD) 和扫描电镜(SEM)研究了反应温度、pH值和电流密度对Cu2O 薄膜的微观结构和表面形貌的影响,并对薄膜的生长机理进行了讨论.结果表明:溶液的温度对Cu2O晶体的微观结构无显著影响,而溶液的pH值对Cu2O 的生长取向影响明显.在双电极的作用下,电沉积Cu2O薄膜的工作电流可以达到6 mA·cm-2,远远高于文献报导在三电极体系下低于1 mA·cm-2的工作电流密度.
参考文献
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