自从1992年Mobil公司的研究人员选用烷基季铵盐阳离子表面活性剂作为模板剂,首次合成了介孔氧化硅分子筛M41S系列以来,中孔SiO2纳米粒子(MSNs)始终吸引研究人员,因为介孔材料具有大比表面积、高孔道规整度和孔径分布范围集中等优点,而且具有优良的结构可设计性。结合国内外研究成果,主要介绍了介孔SiO2材料的不同合成方法,如溶胶-凝胶法、微波辅助技术、化学蚀刻技术和模板法等,并简单介绍了其应用,对其未来的发展前景进行了展望。
Since 1992,when the researchers from Mobil Company chose alkyl quaternary ammonium salt cationic surfactant as template agent,and synthesized mesoporous silica molecular sieve M41S series for the first time,the mesoporous silica nanoparticles (MSNs) had been attracted their attention.As the mesoporous materials contained the advantages of large specific surface areas,high channel regular degrees and concentrated pore radius distributions,the researchers concentrated on the novel structure design.Based on the research results at domestic and abroad,the different synthesis methods of mesoporous silica materials,such as sol gel method,microwave assisted technology,the chemical etching technology and template method,etc.were reviewed.Finally,its application and prospects for the future development were prospected.
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基金资助
天津市科技计划项目(17YFCZZ00280)
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