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Colloid and Polymer Science

Erschienen in:

09.01.2018 | Original Contribution

Synthesis and characterization of spherical silica nanoparticles by modified Stöber process assisted by slow-hydrolysis catalyst

verfasst von: Qian Guo, Guoqiang Yang, Danchun Huang, Wenbin Cao, Lin Ge, Lu Li

Erschienen in: Colloid and Polymer Science | Ausgabe 2/2018

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Abstract

We demonstrate the synthesis of spherical silica nanoparticles via a facile method based on the modified Stöber process for reacting tetraethyl orthosilicate with a slow hydrolysis catalyst in water. Analyses by Fourier-transform infrared spectroscopy and energy dispersive X-ray spectroscopy indicated that the products were pure silica after calcination at 800 °C for 10 h. The amorphous natures of the products were verified by X-ray and electron diffraction. Transmission electron microscopy observations revealed that the amorphous silica nanoparticles were dispersed and fine in size. The average particle sizes and particle size distributions of the amorphous silica nanoparticles could be controlled by adjusting the type of the slow hydrolysis catalyst. Dispersed spherical silica nanoparticles with average particle sizes ranging from 13 to 32 nm were synthesized successfully.

Vorheriger Artikel Effect of chain length on the interactions of sodium N-alkyl prolinates with bovine serum albumin: a spectroscopic investigation and molecular docking simulations

Nächster Artikel Pickering emulsions stabilized by self-assembled polymeric micelles of coumarin-containing cross-linkable amphiphilic terpolymer

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Titel: Synthesis and characterization of spherical silica nanoparticles by modified Stöber process assisted by slow-hydrolysis catalyst
verfasst von: Qian Guo
Guoqiang Yang
Danchun Huang
Wenbin Cao
Lin Ge
Lu Li
Publikationsdatum: 09.01.2018
Verlag: Springer Berlin Heidelberg
Erschienen in: Colloid and Polymer Science / Ausgabe 2/2018
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI: https://doi.org/10.1007/s00396-017-4260-0

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