Proceedings PaperA Comparison Of Solar Photothermal Coatings
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Various types of coatings have been considered as selective surfaces for solar photothermal energy collectors. These include the semiconductor overcoatinq of a metal, the lossy cavity, the artificial dielectric, the graded profile medium and the infrared reflector. These coatings are briefly described. Estimates are made of the cost of producing them en masse via electroplating, chemical deposition, sputtering, or vacuum evaporation.