Effects of chemical etching with hydrochloric acid on a glass surface

Title
Effects of chemical etching with hydrochloric acid on a glass surface
Authors
H. K. JangY. D. ChungS. W. WhangboI. W. LyoC. N. WhangS. J. Lee이석
Keywords
TiO2; nano particle
Issue Date
2000-09
Publisher
Journal of vacuum science & technology. A, Vacuum, surfaces, and films : an official journal of the American Vacuum Society
Citation
VOL 18, NO 5, 2563-2567
Abstract
Glass slides were chemically etched with hydrochloric acid using three different methods. We investigated the effects of chemical etching treatments on such properties as chemical composition, surface roughness, and relative transmittance of the glass. Sodium, calcium, and aluminum atoms at the glass surface were effectively reduced by chemical etching with hydrochloric acid. Boiling the glass in a 36% hydrochloric acid solution for 30 min was more effective in reducing sodium, calcium, and aluminum atoms at the surface of the glass than any of the other etching methods using hydrochloric acid. Surface morphology of the glass was very different with chemical etching treatments with hydrochloric acid etchant. Root-mean-square surface roughness of the bare glass was 0.58 nm, but the roughness of the glass etched with hydrochloric acid ranged from 5.4 to 6.8 nm. The sodium concentration at the glass surface was greatly reduced, from 2.7% to 0.2%. The depth that was affected by chemical etching with hydrochloric acid was about 70 nm.
URI
http://pubs.kist.re.kr/handle/201004/13626
ISSN
0734-2101
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KIST Publication > Article
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