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以醇铝为原料,利用三种不同类型的模板剂对氧化铝的孔径进行调节,对各种模板剂的作用机理进行了初步探讨.研究结果表明:不同模板剂获得的介孔氧化铝的孔道结构基本一致,均为蠕虫状结构,模板剂的不同对介孔氧化铝孔径的影响较大,未加模板剂直接由溶胶-凝胶法获得的介孔氧化铝孔径分布较窄,孔径偏小;加入离子型模板剂能够形成孔径分布窄、孔径增大的介孔材料;加入非离子型模板剂则形成孔径更大,但孔径分布较宽的介孔氧化铝.

参考文献

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