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

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

Content Provider	Semantic Scholar
Author	Su, Hongjiu Du, Baolei Li, Xiao-Tong Ren, Gaoyuan Wang, Shudong
Copyright Year	2015
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 30m2/g to 400m2/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 HTM / HTML
DOI	10.1007/s11814-014-0270-5
Volume Number	32
Alternate Webpage(s)	https://www.cheric.org/PDF/KJChE/KC32/KC32-5-0852.pdf
Journal	Korean Journal of Chemical Engineering
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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