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Abstract:
为了制备高比表面积的多孔γ-Al2O3,采用醇一水热法合成了虫孔状介孔面心立方晶体结构的γ-A1203片状粒子,并利用x-射线衍射、N2吸附-脱附、扫描电镜、透射电镜和选区电子衍射等技术表征了所得氧化铝粒子的物理性质.实验结果表明,以异丁醇铝为铝源,正丙醇水溶液作溶剂,月桂酸作模板剂(异丁醇铝与月桂酸的质量比为4:1)的醇一水热合成法可制备出具有较好结晶度和虫孔状介孔γ-Al2O3粒子,经600℃灼烧后所得样品的比表面积高达306m2/g,其平均孔径为5nm.
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Source :
北京工业大学学报
ISSN: 0254-0037
Year: 2008
Issue: 7
Volume: 34
Page: 750-754
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 7
Chinese Cited Count:
30 Days PV: 18
Affiliated Colleges: