SiO 2 Fibers by Centrifugal Spinning with Excellent Textural Properties and Water Adsorption Performance

Facile and innovative route for large-scale synthesis of SiO fibers with excellent textural properties and H O adsorption performance is presented. At first, a three-dimensional network of SiO precursor fibers was produced from tailored spun solutions (without any toxic elements and surfactants) by...

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Bibliographic Details
Published in:ACS omega 2017-08, Vol.2 (8), p.5052-5059
Main Authors: Hromádko, Luděk, Koudelková, Eva, Bulánek, Roman, Macak, Jan M
Format: Article
Language:English
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Summary:Facile and innovative route for large-scale synthesis of SiO fibers with excellent textural properties and H O adsorption performance is presented. At first, a three-dimensional network of SiO precursor fibers was produced from tailored spun solutions (without any toxic elements and surfactants) by centrifugal spinning, which is a very modern fiber-synthesis technique, with numerous advantages over electrospinning. Upon thermal annealing of the precursor fibers, mesoporous amorphous SiO fibers with an ultrahigh surface area of up to 824 m /g and pore size distribution in the range of 2-10 nm were produced. Owing to the high number of OH groups available on the surface, the produced SiO fibers showed significantly better performance in H O adsorption compared to that of the reference silicagel.
ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.7b00770