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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/5921

Title: Black Cr/a-Cr2O3 nanoparticles based solar absorbers
Authors: Khamlich, S
Nemraoui, O
Mongwaketsi, N
McCrindle, R
Cingo, N
Maaza, M
Keywords: Solar thermal absorbers
Chromium oxide
Aqueous chemical growth
Issue Date: 2012
Publisher: Elsevier
Citation: Khamlich, S, Nemraoui, O, Mongwaketsi, N, McCrindle, R, Cingo, N and Maaza, M. 2012. Black Cr/a-Cr2O3 nanoparticles based solar absorbers. Physica B: Physics of Condensed Matter, vol. 407(10), pp 1509-1512
Series/Report no.: Workflow;8781
Abstract: Monodisperse spherical core–shell particles of Cr/a-Cr2O3 with high adhesion were successfully coated on rough copper substrates by a simple self-assembly-like method for the use in solar thermal absorbers. The structure and morphology of the core-shell particles of Cr/a-Cr2O3 were effectively controlled by deposition temperature and the pH of the initial precursor solution. Their characterizations were carried out with X-ray diffraction, scanning electron microscopy, energy dispersive spectrometry and attenuated total reflection, as well as UV–vis diffuse reflectance spectroscopy. The samples aged for more than 40 h at 75 °C exhibit the targeted high absorbing optical characteristic “Black chrome” while those aged for =40 h show a significant high UV–vis diffuse reflectance “green color”.
Description: Copyright: 2011 Elsevier. This is the accepted version of the work. The definitive version is published in Physica B: Physics of Condensed Matter, vol. 407(10), pp 1509-1512
URI: http://www.sciencedirect.com/science/article/pii/S0921452611009641
ISSN: 0921-4526
Appears in Collections:Nanotechnology
Laser physics and technology
General science, engineering & technology

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