采用两种不同方法制备了结构调制的多孔氧化铝(AAO)模板,一种是磷酸扩孔法,另一种是非对称阳极氧化法.磷酸扩孔法是根据传统有序氧化条件,在模板二次阳极氧化后,用磷酸对已形成的孔道进行扩孔,然后再进行第三次阳极氧化;非对称阳极氧化法是在第一次氧化后形成的有序凹痕上,在始终保持氧化电压与第一次氧化时相同,同时确保相邻两次氧化在不同类型电解液中进行的条件下,制备出孔间距相同、孔径不同的有序结构调制的AAO模板.这些方法扩展了在给定电解液中制备AAO模板的孔径,从而实现了AAO模板的结构调制.
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