Particle morphology and microstructure in the mesoporous silicate SBA-2

Hazel M A Hunter; Alfonso E. Garcia-Bennett; Ian J. Shannon; Wuzong Zhou; Paul A. Wright

doi:10.1039/b108259k

Particle morphology and microstructure in the mesoporous silicate SBA-2

Hazel M A Hunter, Alfonso E. Garcia-Bennett, Ian J. Shannon, Wuzong Zhou, Paul A. Wright^*

^*Corresponding author for this work

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

30 Citations (Scopus)

Abstract

The mesoporous solid SBA-2, prepared at room temperature in alkaline pH using the gemini surfactant [CH₃(CH₂)₁₅N(CH₃)₂ (CH₂)₃N(CH₃)₃]²⁺ can adopt hollow sphere (ca. 100 μm diameter), flat plate (50 μm across) and small sphere (1-2 μm diameter) morphologies. Plates appear to be formed directly by fracturing of the hollow spheres. The nanostructure of these materials is consistent with templating around close packed micelles. X-Ray diffraction and high resolution imaging show that the structure of these preparations ranges from mainly hexagonal to mainly cubic close packing.

Original language	English
Pages (from-to)	20-23
Number of pages	4
Journal	Journal of Materials Chemistry
Volume	12
Issue number	1
DOIs	https://doi.org/10.1039/b108259k
Publication status	Published - 2002
Externally published	Yes

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abstract = "The mesoporous solid SBA-2, prepared at room temperature in alkaline pH using the gemini surfactant [CH3(CH2)15N(CH3)2 (CH2)3N(CH3)3]2+ can adopt hollow sphere (ca. 100 μm diameter), flat plate (50 μm across) and small sphere (1-2 μm diameter) morphologies. Plates appear to be formed directly by fracturing of the hollow spheres. The nanostructure of these materials is consistent with templating around close packed micelles. X-Ray diffraction and high resolution imaging show that the structure of these preparations ranges from mainly hexagonal to mainly cubic close packing.",

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AU - Shannon, Ian J.

AU - Zhou, Wuzong

AU - Wright, Paul A.

PY - 2002

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AB - The mesoporous solid SBA-2, prepared at room temperature in alkaline pH using the gemini surfactant [CH3(CH2)15N(CH3)2 (CH2)3N(CH3)3]2+ can adopt hollow sphere (ca. 100 μm diameter), flat plate (50 μm across) and small sphere (1-2 μm diameter) morphologies. Plates appear to be formed directly by fracturing of the hollow spheres. The nanostructure of these materials is consistent with templating around close packed micelles. X-Ray diffraction and high resolution imaging show that the structure of these preparations ranges from mainly hexagonal to mainly cubic close packing.

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Particle morphology and microstructure in the mesoporous silicate SBA-2

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