Khamlich, SNemraoui, OMongwaketsi, NMcCrindle, RCingo, NMaaza, M2012-06-192012-06-192012Khamlich, 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 1509-15120921-4526http://www.sciencedirect.com/science/article/pii/S0921452611009641http://hdl.handle.net/10204/5921Copyright: 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 1509-1512Monodisperse 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”.enSolar thermal absorbersChromium oxideAqueous chemical growthArticleKhamlich, S., Nemraoui, O., Mongwaketsi, N., McCrindle, R., Cingo, N., & Maaza, M. (2012). Black Cr/a-Cr2O3 nanoparticles based solar absorbers. http://hdl.handle.net/10204/5921Khamlich, S, O Nemraoui, N Mongwaketsi, R McCrindle, N Cingo, and M Maaza "Black Cr/a-Cr2O3 nanoparticles based solar absorbers." (2012) http://hdl.handle.net/10204/5921Khamlich S, Nemraoui O, Mongwaketsi N, McCrindle R, Cingo N, Maaza M. Black Cr/a-Cr2O3 nanoparticles based solar absorbers. 2012; http://hdl.handle.net/10204/5921.TY - Article AU - Khamlich, S AU - Nemraoui, O AU - Mongwaketsi, N AU - McCrindle, R AU - Cingo, N AU - Maaza, M AB - 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”. DA - 2012 DB - ResearchSpace DP - CSIR KW - Solar thermal absorbers KW - Chromium oxide KW - Aqueous chemical growth LK - https://researchspace.csir.co.za PY - 2012 SM - 0921-4526 T1 - Black Cr/a-Cr2O3 nanoparticles based solar absorbers TI - Black Cr/a-Cr2O3 nanoparticles based solar absorbers UR - http://hdl.handle.net/10204/5921 ER -