Simple Method Of Fabricating Copper Oxide Selective Absorber Films For Photothermal Conversion Of Solar Energy

H. D. Banerjee; R. Viswanathan; D. R. Rao; H. N. Acharya

doi:10.1117/12.7976790

1 November 1988 Simple Method Of Fabricating Copper Oxide Selective Absorber Films For Photothermal Conversion Of Solar Energy

H. D. Banerjee, R. Viswanathan, D. R. Rao, H. N. Acharya

Author Affiliations +

Optical Engineering, Vol. 27, Issue 11, 271133 (November 1988). https://doi.org/10.1117/12.7976790

Abstract

Highly stable selective absorptive coatings of copper oxides were deposited on commercially available galvanized iron substrates by a dip-and-dry technique. The optothermal, structural, and optical properties of these films were investigated. The deposition parameters for an optimum selective absorptive film were determined. A typical such coating gave solar absorptance (AM1) of 0.91 and thermal emittance (100°C) of 0.17. Up to 300°C, the film was adherent and stable, having a top layer of CuO and an under layer of CuO of varying composition (x =1 to 2). However, increasing the temperature beyond 400°C converted the film to CuO only.

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H. D. Banerjee, R. Viswanathan, D. R. Rao, and H. N. Acharya "Simple Method Of Fabricating Copper Oxide Selective Absorber Films For Photothermal Conversion Of Solar Energy," Optical Engineering 27(11), 271133 (1 November 1988). https://doi.org/10.1117/12.7976790

Published: 1 November 1988

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