Journal
MICROPOROUS AND MESOPOROUS MATERIALS
Volume 249, Issue -, Pages 61-66Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2017.04.045
Keywords
Ordered mesoporous silica; FDU-12; Morphology; Stirring
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Funding
- EPSRC Frontier Engineering [EP/K038656/1]
- EPSRC [EP/K038656/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K038656/1] Funding Source: researchfish
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Ordered mesoporous FDU-12 silica particles with different morphologies were synthesized by varying the stirring rate. The mesoporous structure and textural properties of the FDU-12 samples were characterized by N-2 adsorption and desorption, scanning electron microscopy, transmission electron microscopy and small angle X-ray scattering. The influence of the stirring conditions on the morphology was demonstrated, as the FDU-12 particle morphology changes from a regular, hexagonal platelet to a poorly defined shape when the stirring rate is changed from slow to fast. At very fast stirring rate, shear influences the mesophase structure, although the pore diameter and wall thickness remain unchanged. (C) 2017 The Authors. Published by Elsevier Inc.
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