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材料工程  2008 

高度有序AAO孔的结构参数及其分布规律

Keywords: 多孔阳极氧化铝,孔径,正态分布

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Abstract:

采用二次阳极氧化的方法制备了孔高度有序的多孔氧化铝,研究了阳极氧化电压和草酸浓度对多孔氧化铝孔径的影响。结果表明,在0.5mol×L-1的草酸溶液中,电压从35V增加到45V时,孔径从76nm线性增加到95nm;当电压为45V,草酸浓度从0.3mol×L-1增加到0.5mol×L-1时,孔径从75nm增加到95nm,孔径分布均符合正态分布。SEM分析表明,在上述条件下制备的孔排列高度有序,通过合理改变氧化电压和草酸浓度,可以准确控制AAO的孔径及分布。

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