Connectivity in sol-gel silica glasses
In this work it is carried out a review on structural parameters related to the evaluation of pore connectivity of nanostructures. The work describes parameters and methods of evaluation of geometric parameters. The concepts of connectivity are applied to silica gels and glasses obtained from sol-gel process. The study of pores connectivity was carried out using a combination of geometric modeling and experimental evaluation of specific surface area and pore volume. The permeability of the pore structure is evaluated and a permeability geometric factor, Pg, is proposed.
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| Format: | Digital revista |
| Language: | English |
| Published: |
Sociedade Brasileira de Química
1998
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| Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421998000400026 |
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