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Particle morphology and microstructure in the mesoporous silicate SBA-2

Hazel M. A. Hunter,a  Alfonso E. Garcia-Bennett,a  Ian J. Shannon,b  Wuzong Zhoua  and  Paul A. Wright*a 
Author affiliations

* Corresponding authors

a School of Chemistry, University of St Andrews, Purdie Building, North Haugh, St Andrews, Fife, UK
E-mail: paw2@st-andrews.ac.uk

b School of Chemical Sciences, The University of Birmingham, Edgbaston, Birmingham, UK

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.

Graphical abstract: Particle morphology and microstructure in the mesoporous silicate SBA-2

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Publication details

The article was received on 11 Sep 2001, accepted on 09 Nov 2001 and first published on 26 Nov 2001


Article type: Communication
DOI: 10.1039/B108259K
Citation: J. Mater. Chem., 2002,12, 20-23
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    Particle morphology and microstructure in the mesoporous silicate SBA-2

    H. M. A. Hunter, A. E. Garcia-Bennett, I. J. Shannon, W. Zhou and P. A. Wright, J. Mater. Chem., 2002, 12, 20
    DOI: 10.1039/B108259K

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