Faceted single crystals of mesoporous silica SBA-16 from a ternary surfactant system: Surface roughening model

Bi Chang Chen; Man Chien Chao; Hong-Ping Lin; Chung Yuan Mou

doi:10.1016/j.micromeso.2005.02.010

Faceted single crystals of mesoporous silica SBA-16 from a ternary surfactant system: Surface roughening model

Bi Chang Chen, Man Chien Chao, Hong-Ping Lin, Chung Yuan Mou

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

We have synthesized mesoporous silica SBA-16 at room temperature and low pH condition by using the surfactant system C₈TMAB/SDS/F127 as template. Faceted single crystals of rhombdodecahedron form can be obtained under well-controlled conditions. Synthetic factors in controlling the morphology, including stirring, water content, the ionic surfactants and acidity are explored. A schematic theory for the formation of the equilibrium crystal structure based on surface roughening transition is proposed to explain the formation of faceted single crystal.

Original language	English
Pages (from-to)	241-249
Number of pages	9
Journal	Microporous and Mesoporous Materials
Volume	81
Issue number	1-3
DOIs	https://doi.org/10.1016/j.micromeso.2005.02.010
Publication status	Published - 2005 Jun 6

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials

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10.1016/j.micromeso.2005.02.010

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abstract = "We have synthesized mesoporous silica SBA-16 at room temperature and low pH condition by using the surfactant system C8TMAB/SDS/F127 as template. Faceted single crystals of rhombdodecahedron form can be obtained under well-controlled conditions. Synthetic factors in controlling the morphology, including stirring, water content, the ionic surfactants and acidity are explored. A schematic theory for the formation of the equilibrium crystal structure based on surface roughening transition is proposed to explain the formation of faceted single crystal.",

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T2 - Surface roughening model

AU - Chen, Bi Chang

AU - Chao, Man Chien

AU - Lin, Hong-Ping

AU - Mou, Chung Yuan

PY - 2005/6/6

Y1 - 2005/6/6

N2 - We have synthesized mesoporous silica SBA-16 at room temperature and low pH condition by using the surfactant system C8TMAB/SDS/F127 as template. Faceted single crystals of rhombdodecahedron form can be obtained under well-controlled conditions. Synthetic factors in controlling the morphology, including stirring, water content, the ionic surfactants and acidity are explored. A schematic theory for the formation of the equilibrium crystal structure based on surface roughening transition is proposed to explain the formation of faceted single crystal.

AB - We have synthesized mesoporous silica SBA-16 at room temperature and low pH condition by using the surfactant system C8TMAB/SDS/F127 as template. Faceted single crystals of rhombdodecahedron form can be obtained under well-controlled conditions. Synthetic factors in controlling the morphology, including stirring, water content, the ionic surfactants and acidity are explored. A schematic theory for the formation of the equilibrium crystal structure based on surface roughening transition is proposed to explain the formation of faceted single crystal.

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