Metal sulfide thin films on glass as solar control, solar absorber, decorative, and photographic coatings

Padmanabhan Karunakara Nair; M. T. Nair; A. M. Fernandez; Victor M. Garcia; Antonio Hernandez Barosio

doi:10.1117/12.46537

1 September 1991 Metal sulfide thin films on glass as solar control, solar absorber, decorative, and photographic coatings

Padmanabhan Karunakara Nair, M. T. Nair, A. M. Fernandez, Victor M. Garcia, Antonio Hernandez Barosio

Author Affiliations +

Proceedings Volume 1485, Reflective and Refractive Optical Materials for Earth and Space Applications; (1991) https://doi.org/10.1117/12.46537
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

An overview of the optical transmittance and reflectance characteristics of selected metal sulfide thin-film coatings obtained on glass substrates by chemical bath deposition is presented. The focus is on their application as solar control coatings, solar absorber coatings, decorative coatings, and as an imaging medium. Coatings of PbS-CuxS, Bi2S3- CuxS, SnS-CuxS, and ZnS-CuxS offer a range of solar control characteristics. Depending on the thickness of the individual films, solar absorptance of approximately equals 90% has been observed for SnS-CuxS and ZnS-CuxS thin films. Pleasant shades of colors observed in reflected daylight due to the thin film interference in these films together with the ease with which chemically deposited coatings can be obtained on cylindrical or planar substrates suggest the use of these films as decorative coatings. An application of these films as a photographic medium is possible based on the photo-accelerated chemical deposition of PbS and Bi2S3 thin films by which a specularly reflective image is obtained.

Citation Download Citation

Padmanabhan Karunakara Nair, M. T. Nair, A. M. Fernandez, Victor M. Garcia, and Antonio Hernandez Barosio "Metal sulfide thin films on glass as solar control, solar absorber, decorative, and photographic coatings", Proc. SPIE 1485, Reflective and Refractive Optical Materials for Earth and Space Applications, (1 September 1991); https://doi.org/10.1117/12.46537

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