Synthesis of Silica Aerogel Thin Film from Waterglass

Abstract:

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Hydrophobic thin film silica aerogels were synthesized by ambient pressure drying method from silicic acid which was prepared from sodium silicate (water glass) solution. The pH value of the silica precursor sol was adjusted to make a spinable sol, and gel films were coated on a glass substrate by dip coating technique. Aerogel-like thin films with the thickness of about 1 μm could be successfully fabricated by repeating the dip coating process three times.

Info:

Periodical:

Solid State Phenomena (Volumes 124-126)

Edited by:

Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park

Pages:

671-674

DOI:

10.4028/www.scientific.net/SSP.124-126.671

Citation:

Y. C. Cha et al., "Synthesis of Silica Aerogel Thin Film from Waterglass", Solid State Phenomena, Vols. 124-126, pp. 671-674, 2007

Online since:

June 2007

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Price:

$35.00

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