NDLI: Mesoporous silica with monodispersed pores synthesized from the controlled self-assembly of silica nanoparticles

Content Provider	Springer Nature Link
Author	Su, Min Su, Hongjiu Du, Baolei Li, Xiaotong Ren, Gaoyuan Wang, Shudong
Copyright Year	2014
Abstract	Silica nanoparticles with different sizes (ranging from 10 nm to 104 nm) and size distributions were synthesized by semi-batch and semi-batch/batch methods of the Stöber process. Then the amorphous silica with different surface areas (ranging from 30m$^{2}$/g to 400m$^{2}$/g) and pores (ranging from 3 nm to 33 nm) were obtained by various aging treatments and drying methods of the synthesized colloidal silica sol. The aging treatment resulted in the monodispersed pore distribution and decreased BET surface area of silica. The high-humidity drying method led to the mesoporous silica with uniform pores and decreased small pores. As the silica was obtained by the arrangement of silica nanoparticles, the pore diameter and pore distribution of mesoporous silica were directly related to the size and distribution of nanoparticles. Furthermore, this study offered a new thought for the synthesis of other mesoporous materials with uniform pore distributions.
Starting Page	852
Ending Page	859
Page Count	8
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	32
Issue Number	5
e-ISSN	19757220
Language	English
Publisher	Springer US
Publisher Date	2015-01-15
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mesoporous Silica Silica Nanoparticles Semi-batch/Batch Semi-batch Self-assembly Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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