通过原硅酸四乙酯的水解和缩合,并加入适量的表面活性剂十六烷基三甲基溴化铵(CTAB),制得了纳米二氧化硅(平均粒径60~100 nm).讨论了SiO2的形成机理和CTAB的作用机理,并采用FTIR、XRD和TEM表征了纳米二氧化硅.
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