Cr/α-Cr2O3 Monodispersed Meso-spherical Particles for Mid-temperature Solar Absorber Application

作者: S. Khamlich , M. Maaza

DOI: 10.1016/J.EGYPRO.2015.03.229

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摘要: Abstract Monodispersed meso-spherical particles of Cr/α-Cr 2 O 3 cermet Aqueous Chemical Growth (ACG) coatings investigated within this contribution could be successfully employed in mid temperature solar absorber applications. Their selectivity depends on their chemical, physical and structural characteristics related optical properties like reflectance, emittance, light absorption, or absorptance transmittance. Parameters such as deposition temperature, pH the initial precursor substrate roughening will greatly influence relevant reported. The coated spherical rough Molybdenum Tantalum substrates by a simple, green cost-effective method were characterized scanning electron microscopy, energy dispersive spectrometry, Raman spectroscopy, diffuse reflectance UV - VIS-NIR spectroscopy. samples deposited exhibit targeted high absorbing characteristic “Black chrome” while those molybdenum show significant reflectance.

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