期刊
MICROPOROUS AND MESOPOROUS MATERIALS
卷 249, 期 -, 页码 61-66出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2017.04.045
关键词
Ordered mesoporous silica; FDU-12; Morphology; Stirring
类别
资金
- 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
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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