Colloidal Crystal Templating of Two-Dimensional Ordered Macroporous SiCN Ceramics

Abstract:

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In this study, two-dimensional (2D) ordered macroporous SiCN ceramics were prepared by infiltrating sacrificial colloidal silica (SiO2) templates with the low molecular weight preceramic polymer, polysilazane. This was followed by a thermal curing step, pyrolysis at 1250°C in a N2 atmosphere, and finally the removal of the templates by etching with diluted HF. In particular, 100large-scale monolayer silica crystals were prepared on the cleaned Si substrates by spin coating. Two-dimensional SiCN ordered pore arrays were fabricated by a solution-dipping template strategy.

Info:

Periodical:

Solid State Phenomena (Volume 135)

Edited by:

Chang Kyu Rhee

Pages:

27-30

DOI:

10.4028/www.scientific.net/SSP.135.27

Citation:

I. H. Song et al., "Colloidal Crystal Templating of Two-Dimensional Ordered Macroporous SiCN Ceramics", Solid State Phenomena, Vol. 135, pp. 27-30, 2008

Online since:

February 2008

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Price:

$35.00

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