Thin Transition-Metal Nitride Films With Surface Roughness For Application As Selective Absorbers In Evacuated Solar Collectors

E. Vogelzang; A. A.M.T. van Heereveld; M. Sikkens

doi:10.1117/12.935540

28 November 1983 Thin Transition-Metal Nitride Films With Surface Roughness For Application As Selective Absorbers In Evacuated Solar Collectors

E. Vogelzang, A. A.M.T. van Heereveld, M. Sikkens

Author Affiliations +

Proceedings Volume 0401, Thin Film Technologies I; (1983) https://doi.org/10.1117/12.935540
Event: 1983 International Technical Conference/Europe, 1983, Geneva, Switzerland

Abstract

Chromium nitride (CrN_x) layers have been prepared by d.c. reactive sputtering of chromium in an argon-nitrogen atmosphere. Structural, electrical and optical properties of samples, deposited at various nitrogen pressures, have been determined. Spectrally selective CrN_x layers on a polished copper substrate show a moderate solar absorptance (α_s≈ = 0.80) and a low thermal emittance(ε_n 0.04). The absorptance has been improved by depositing CrN_x films on a rough copper base-layer. The thermal stability in vacuum and the corrosion resistance of CrN_x, samples have been tested.

Citation Download Citation

E. Vogelzang, A. A.M.T. van Heereveld, and M. Sikkens "Thin Transition-Metal Nitride Films With Surface Roughness For Application As Selective Absorbers In Evacuated Solar Collectors", Proc. SPIE 0401, Thin Film Technologies I, (28 November 1983); https://doi.org/10.1117/12.935540

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