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Proceedings Paper

Laminated solar-control safety glass incorporating chemically deposited metal chalcogenide thin films
Author(s): Padmanabhan Karunakara Nair; M. T. S. Nair; O. Gomez-Daza; Victor M. Garcia; A. Castillo; O. L. Arenas; Y. Pena; L. Guerrero
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Paper Abstract

The feasibility of producing safety glass made from 3 mm sheet glass coated with chemically deposited CuS, ZnS-CuS, Sb2S3-CuS, and PbS-CuS thin films are presented. The coatings are produced on the sheet glass from dilute solutions containing metal complexes and a source of sulfide ions such as thiourea, thioacetamide, or thiosulfate. Films of thickness ranging from 0.05 micrometer to 0.3 micrometer are deposited at different temperatures, 10 degrees Celsius - 50 degrees Celsius, with durations of depositions of 1 h to 6 h. These coatings are laminated using commercially available poly(vinyl butyral) based laminating polymer sheets and clear sheet glass at temperatures of 120 degrees Celsius to 140 degrees Celsius under 10 - 12 kg cm-2 pressure in an autoclave. The optical transmittance and reflectance spectra of the safety glasses show that a wide choice of solar control parameters are possible with these glazings: TVIS, 2.5 - 45%; RVIS, 10 - 25%; and shading coefficient (SC), 0.25 - 0.45.

Paper Details

Date Published: 14 October 1997
PDF: 8 pages
Proc. SPIE 3138, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV, (14 October 1997); doi: 10.1117/12.290209
Show Author Affiliations
Padmanabhan Karunakara Nair, Univ. Nacional Autonoma de Mexico (Mexico)
M. T. S. Nair, Univ. Nacional Autonoma de Mexico (Mexico)
O. Gomez-Daza, Univ. Nacional Autonoma de Mexico (Mexico)
Victor M. Garcia, Univ. Nacional Autonoma de Mexico (Mexico)
A. Castillo, Univ. Nacional Autonoma de Mexico (Mexico)
O. L. Arenas, Univ. Nacional Autonoma de Mexico (Mexico)
Y. Pena, Univ. Nacional Autonoma de Mexico (Mexico)
L. Guerrero, Univ. Nacional Autonoma de Mexico (Mexico)


Published in SPIE Proceedings Vol. 3138:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV
Carl M. Lampert; Claes G. Granqvist; Michael Graetzel; Satyen K. Deb, Editor(s)

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