Bundle-like nanostructured SiO2 was quickly prepared by using cetyltrimethylammonium bromide (CTAB) as template and tetraethyl orthosilicate (TEOS) as precursor in aqueous/ethanolic solution.

• 摘要在水醇体系中，以十六烷基三甲基溴化铵为模板，通过氨催化正硅酸乙酯水解，快速合成了束状纳米二氧化硅。