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Zinc sulfide-pigmented polyethylene aerogel covers for daytime radiative cooling

Journal of Photonics for Energy, 2021
Optically selective and thermally insulating (OSTI) covers, such as polyethylene aerogels (PEAs), have recently been proposed to improve subambient daytime radiative cooling performance by minimizing parasitic solar absorption and heat gain at the emitter.
Arny Leroy   +4 more
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NIR reflective pigments for cool roof applications: A comprehensive review

Journal of Cleaner Production, 2021
Abstract We performed a comprehensive review of the state of the art of synthesis methods for pigments employed for cool roof. The aim is to present the best synthesis method, among those proposed, in terms of energy and raw materials costs. In particular, inorganic NIR reflective pigments not containing metals that can adversely affect the ...
Rosati, Andrea   +2 more
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Cool and photocatalytic reddish-brown nanostructured Fe2O3@SiO2@TiO2 pigments

Materials Science and Engineering: B, 2020
Abstract In the present study, the influence of the crystalline structure of Fe2O3(amorphous) @TiO2, α-Fe2O3@TiO2 and α-Fe2O3 @SiO2 @TiO2 nanocomposites on the NIR-reflectance and photocatalytic properties have been investigated. The nano-sized α-Fe2O3, SiO2 and TiO2 were prepared via co-precipitation, Stober and sol-gel methods, respectively.
Somayeh Sadeghi-Niaraki   +4 more
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Radiative Cooling With Pigmented Polyethylene Foils

SPIE Proceedings, 1989
Polyethylene foils containing a nonabsorbing pigment can be suitable for radiative cooling because of their high reflectance of solar radiation combined with a high transmittance in the atmospheric window region in the thermal infrared. We have studied the optical properties in the wavelength range 0.3-50 μm of extruded polyethylene foils containing ...
Gunnar A. Niklasson, Tord S. Eriksson
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Radiative cooling efficiency of white pigmented paints

Solar Energy, 1993
Abstract Nocturnal temperature measurements of various infrared selective radiators performing radiative cooling have been carried out. Measured temperature differences between the radiators and ambient temperature were about 10°C. Radiating surfaces have been prepared by applying different kinds of paints on aluminium substrates.
B. Orel, M.Klanjšek Gunde, A. Krainer
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