以手性两亲小分子为模板剂制备介孔二氧化硅纳米空心球  

Preparation of mesoporous silica hollow nanospheres with chiral low-molecular-weight amphiphile as template

作　　者：陈木子[1] 国永敏[2] 李艺[2] 李宝宗[2] 

机构地区：[1]苏州大学分析测试中心,江苏苏州215123 [2]苏州大学材料与化学化工学部,江苏苏州215123

出　　处：《化学研究》2013年第4期384-386,共3页Chemical Research

基　　金：国家自然科学基金资助项目(21071103)

摘　　要：以L-亮氨酸为手性源合成了手性阳离子两亲性小分子化合物L-18Leu6NEtBr,用其自组装体作为模板,氢氧化钠为催化剂,经溶胶-凝胶过程制备出介孔二氧化硅纳米空心球;分析了介孔二氧化硅纳米空心球的尺寸和孔径.结果表明,所制备的二氧化硅空心球直径约100nm;其介孔孔道平行于壳表面,孔径为3.1nm.Silica hollow nanospheres with single-layer mesopores in their shells were prepared through a sol-gel transcription approach via the self-assembly of a chiral low-molecular-weight amphiphile derived fromL-leucine as the template and sodium hydroxide as the catalyst.The size and pore diameter of as-synthesized silica hollow nanospheres were analyzed.It was found that as-synthesized silica hollow nanospheres have a diameter of about 100nm;their mesoporous channels are parallel to their shell surface,and the diameter of their pore channels in the shells is about 3.1nm.

关 键 词：手性两亲小分子 模板 介孔 二氧化硅 纳米空心球 制备 

分 类 号：O613.71[理学—无机化学]