Abstract

Selective surfaces with high temperature stability have been produced by colloidal deposition of carbon and silica onto copper-coated substrates. The surface of best performance had a solar absorptance of 0.87 and a room temperature emittance of 0.03. After heat treatment at 600°C in vacuum for 200 h the surface properties remained unchanged.

© 1981 Optical Society of America

Optical properties of colloidal carbon and colloidal silica films

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Effect of argon pressure on the optical properties of sputtered solar selective surfaces

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Spectral selectivity of high-temperature solar absorbers

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