Stable highly porous silicon oxycarbide glasses from pre-ceramic hybrids

The introduction of Si-H bonds into the structure of a sol-gel derived ceramic material leads to a hybrid that generates a highly porous silicon oxycarbide material stable up to pyrolysis temperatures above 1200 degree C. The fractal analysis reveals an increase in the pore anisotropy in the first s...

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Bibliographic Details
Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2015-01, Vol.3 (46), p.23220-23229
Main Authors: Alejandra Mazo, M, Tamayo, Aitana, Rubio, Juan
Format: Article
Language:English
Subjects:
Anisotropy
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Fractal analysis
Heat treatment
Networks
Oxycarbides
Porous silicon
Pyrolysis
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Summary:The introduction of Si-H bonds into the structure of a sol-gel derived ceramic material leads to a hybrid that generates a highly porous silicon oxycarbide material stable up to pyrolysis temperatures above 1200 degree C. The fractal analysis reveals an increase in the pore anisotropy in the first stages of ceramisation of the pre-ceramic hybrid material indicating the creation of a narrow interconnected porous (
ISSN:2050-7488
2050-7496
DOI:10.1039/c5ta05656j