Tetrabutylammonium bromide assisted preparation of monodispersed submicrometer silica particles

He Dong,Yandong Han,Shiyong Teng,Yang Hu,Zilong Guo,Dayang Wang,Wensheng Yang

Colloids and Surfaces A: Physicochemical and Engineering Aspects（2021）

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摘要

•A tetrabutylammonium bromide (TBABr) assisted Stöber method was developed for preparation of monodisperse silica particles.•Size of the silica particles increased from 0.39 to 1.08 μm while concentration of TBABr was elevated from 0 to 20 mM.•Surface properties of the particles were tailorable by changing length of alkyl chains in the quaternary ammonium agents.

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关键词

Silica particles,Submicrometer,Stöber method,Quaternary ammonium salts

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