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 journalArticle

28 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 languageEnglish
Pages (from-to)20-23
Number of pages4
JournalJournal of Materials Chemistry
Volume12
Issue number1
DOIs
Publication statusPublished - 2002
Externally publishedYes

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