Electrodeposited nickel-cobalt thin films for photothermal conversion of solar energy

N. Karuppiah; S. John; Sanjay S. Natarajan; V. Sivan

doi:10.1117/12.49226

1 December 1991 Electrodeposited nickel-cobalt thin films for photothermal conversion of solar energy

N. Karuppiah, S. John, Sanjay S. Natarajan, V. Sivan

Proceedings Volume 1536, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion X; (1991) https://doi.org/10.1117/12.49226
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

The development of electrodeposited selective nickel-cobalt black coating for solar thermal energy conversion is described. Optimized electrolyte composition and operating conditions are standardized by use of Hull cell. Ammonium acetate has been used as a complexing agent to produce quality black coating with good optical properties. The present system produces black coatings in the current density range from 4 to 8 A/dm². Optimized coating possesses solar absorptance (varies direct as) of 0.96 and thermal emittance ((Epsilon) ) of 0.11.

Citation Download Citation

N. Karuppiah, S. John, Sanjay S. Natarajan, and V. Sivan "Electrodeposited nickel-cobalt thin films for photothermal conversion of solar energy", Proc. SPIE 1536, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion X, (1 December 1991); https://doi.org/10.1117/12.49226

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