RADIATIVE PROPERTIES OF COPPER THIN FILM AS RADIATIVE COOLING MATERIALS
Journal Title: Journal of Science And Arts - Year 2013, Vol 25, Issue 4
Abstract
Optical and radiative properties of glazing materials are primary imputes for determination of the radiative cooling performance. In this paper, SiO[sub]2[/sub] shield for radiative cooling was designed and fabricated using the copper as a metal layer. Th e thin layer (0.2) on SiO[sub]2[/sub] substrate (2mm) was produced using a sputtering technique. Spectral specular reflectance and transmittance of the film were measured accurately for 0.3 to 20 using an automated spectroradiometric system of high resolution. This c lass of coating is characterized by high solar band reflectance and high IR band emittance; so cooling to low temperature is possible with Cu/SiO[sub]2[/sub] system which is good reflectance in the visible range and are strongly emitting in 8 - 13 band.
Authors and Affiliations
MOURAD BENLATTAR, EL MOSTAFA OUALIM
Keywords
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