Abstract
Abstract A solar selective absorbing surface is introduced processed by the alternating current oxidation method on cold-rolled milled steel plate. The performance of the surface, such as the solar absorptance α, the thermal infrared emittance ϵ, the durability aging and the humidity resistance was tested and evaluated. Furthermore, the morphology and constitution of the solar absorbing surface were analyzed by transmission electron microscopy (TEM), Auger electron spectroscopy (AES), and Mossbauer spectroscopy. The results showed that the alternating current oxidation method can prepare solar selective absorbing surfaces that meet the requirements for use in low temperature solar applications.
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