DSC estimation of structural and textural parameters of SBA-15 silica using water probe

The aim of this study was to use DSC and X-ray diffraction measurements to determine the pore size and pore wall thickness of highly ordered SBA-15 materials. The DSC curves showed two endothermic events during the heating cycle. These events were due to the presence of water inside and outside of m...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2009-08, Vol.97 (2), p.701-704
Main Authors: Cides da Silva, L. C., Araújo, G. L. B., Segismundo, N. R., Moscardini, E. F., Mercuri, L. P., Cosentino, I. C., Fantini, M. C. A., Matos, J. R.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Calorimetry
Chemistry
Chemistry and Materials Science
Colloidal state and disperse state
Differential scanning calorimetry
Diffraction
Endothermic reactions
Exact sciences and technology
General and physical chemistry
Heating
Inorganic Chemistry
Measurement Science and Instrumentation
Physical Chemistry
Polymer Sciences
Porosity
Porous materials
Wall thickness
X-rays
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Summary:The aim of this study was to use DSC and X-ray diffraction measurements to determine the pore size and pore wall thickness of highly ordered SBA-15 materials. The DSC curves showed two endothermic events during the heating cycle. These events were due to the presence of water inside and outside of mesopores. The results of pore radius, wall thickness and pore volume measurements were in good agreement with the results obtained by nitrogen adsorption measurement, XRD and transmission electron microscopy.
ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-009-0334-7