Advances in Mesoporous Silica Morphologies

Dang Wenxiu, Han Shuhua, Hou Wanguo*, Xu Jun, Yan Xin
(Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, (Shandong University) Jinan  250100)

Abstract  A variety of morphologies of mesoporous silica, such as sphere, rod, fiber, helicoid, hollow tubule and other radial patterns, can be synthesized by using surfactants as templates in either alkaline or acid solution. The formation of particular morphology depends on the experimental conditions of synthesis, including surfactant, cosolvent, precursor, counterions, acidity, temperature and so on. Several morphogenesis mechanisms, such as supramolecule origami mechanism, geometric matching mechanism, singularity-fluctuation mechanism and defect effect mechanism, are proposed in recent years. The latest advances in the particular morphology of silica-based mesoporous materials are summarized in this paper.
Key words  Mesoporous silica,   Morphogenesis mechanisms,  Synthesis,  Template

介孔氧化硅材料形貌的研究进展

党文修  韩书华  侯万国*    
(山东大学胶体与界面化学教育部重点实验室  济南  250100)

  综述了介孔氧化硅材料形貌的最新研究进展,归纳总结了球形、棒状、纤维、螺旋、中空管和放射外形等形貌的介孔氧化硅的合成方法,着重阐述了超分子折叠机理、几何匹配机理、特性区扰动机理以及缺陷作用机理等形貌形成机理。
关键词  介孔氧化硅  形貌形成机理  模板  合成


党文修  男,35岁,硕士,现从事介孔材料的形态控制研究。*联系人 E-mail:wghou@sdu.edu.cn
清华大学新型陶瓷与精细工艺国家重点实验室资助项目
2003-03-06收稿,2003-07-02修回

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