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Fabrication of selective solar absorbers using pulsed laser deposition

Author: Yalisi, B ; Katumba, G ; Forbes, A ; Pillay, SR Date: Jun 2009 Selective solar absorbers are devices that have been designed to absorb as much as possible of the solar radiation which is in the wavelength range of 0.3 to 2.5 µm and to minimise thermal emittance in the wavelength range from 2.5µm to the ... Read more
Properties of pulsed laser deposited NiO/MWCNT thin films

Author: Yalisi, B ; Roro, Kittessa T ; Forbes, A Date: May 2011 Pulsed laser deposition (PLD) is a thin-film deposition technique, which uses short and intensive laser pulses to evaporate target material. The technique has been used in this work to produce selective solar absorber (SSA) thin film composites ... Read more
Pulsed laser deposition of multiwall carbon nanotube/NiO nanocomposite thin films

Author: Yalisi, B ; Roro, Kittessa T ; Tile, N ; Forbes, A Date: Jul 2011 Due to their excellent properties CNTs is believed to be the best candidate to be an absorbing elements in the composite. “Stoichiometric transfer” makes PLD a suitable candidate for the composite growth. PLD experimental setup is discussed. ... Read more
Selective solar absorber coating research at the CSIR (South Africa)

Author: Roro, Kittessa T ; Tile, N ; Yalisi, B ; De Gama, M ; Wittes, T ; Roberts, T ; Forbes, A Date: May 2011 A sol-gel technique has been established at a laboratory scale for low cost production of high efficient selective solar absorbers comprising a composite material of nano-structured carbon in a nickel oxide matrix. In order for these materials ... Read more
Selective solar absorbers: A cost effective solution for access to clean energy in rural Africa

Author: Katumba, G ; Olumekor, L ; Forbes, A Date: Nov 2008 In this present era of global energy crisis there is a greater need to turn to renewable, cost effective and sustainable energy resources. In rural Africa, in particular, the demand for domestic energy is even higher. This is exacerbated by ... Read more
Thermal stability of multilayered Pt-Al2O3 nanocoatings for high temperature CSP systems

Author: Nuru, ZY ; Kotsedi, L ; Arendse, CJ ; Motaung, D ; Mwakikunga, Bonex W ; Roro, Kittessa T ; Maaza, M Date: Oct 2015 This contribution reports on the effect of thermal annealing on sputtered Pt–Al(sub2)O(sub3) multilayered selective solar absorber coatings deposited onto stainless steel substrates with a Mo IR reflecting buffer layer. The Pt–Al(sub2)O(sub3) ... Read more

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Browsing by Subject "Selective solar absorbers"

Browsing by Subject "Selective solar absorbers"

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