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化工学报  2015 

以三嵌段共聚物为模板介孔氧化铝的形貌控制合成

DOI: 10.11949/j.issn.0438-1157.20150843, PP. 3782-3787

Keywords: 三氧化二铝,介孔,水热,结构导向剂,纳米棒

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Abstract:

以三嵌段共聚物作为结构导向剂,采用水热法合成了片状和棒状介孔氧化铝,采用X射线衍射仪、场发射透射电子显微镜、低温氮气吸脱附实验对合成的介孔氧化铝的晶相、形貌和介孔结构进行表征。研究结果表明,三嵌段共聚物的引入能够有效调控氧化铝的形貌、介孔结构以及孔参数。三嵌段共聚物在氧化铝前驱体表面的吸附诱导了晶体的取向生长,并最终形成了棒状氧化铝。

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