Browsing Conference Publications by Author "Tile, N"

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Carbon nanotube/nickel oxide nanocomposite thin films for selective solar absorber

Author: Roro, Kittessa T ; Mwakikunga, Bonex W ; Forbes, A ; Tile, N ; Yalisi, B Date: Sep 2010 Multi-walled carbon nanotube (MWCNT)/Nickel oxide nanocomposites were prepared on aluminum substrates for selective solar absorber applications. MWCNTs are functionalized in order to disperse in water and ethanol. Results from the characterization ... Read more
Carbon-Nickel oxide nanocomposites: Preparation and charecterisation

Author: Tile, N ; Roro, Kittessa T ; Forbes, A Date: Jul 2011 Nanocomposite materials have wide range of applications in solar energy conversion. In this work, C-NiO nanocomposite coatings are prepared using sol-gel synthesis and deposited on aluminium substrates using a spin coater. The coatings are ... Read more
Effect of heating temperature on the optical properties of sol-gel synthesized C/NiO nanocomposite thin films

Author: Roro, Kittessa T ; Tile, N ; Yalisi, B ; Forbes, A Date: May 2011 For efficient photo-thermal conversion of solar energy a spectrally selective solar absorber surfaces are widely used. An ideal selective surface should have a high absorptance (low reflectance) in the solar wavelength range (0.3 to 2.5 µm) ... Read more
Optical properties of selectively absorbing C/NiO nanocomposite coatings

Author: Roro, Kittessa T ; Tile, N ; Forbes, A Date: Dec 2010 Nanocomposite thin films are widely used for solar thermal applications. Using carbon nanoparticle containing metal oxide as a spectrally selective solar absorber coating has grown significantly in recent years. Recently, Katumba et al. have ... Read more
Optimisation of optical absorption properties of spectrally selective C-NiO composite coatings

Author: Tile, N ; Roro, Kittessa T ; Forbes, A Date: May 2011 The demand for low cost, efficient and environmental friendly energy is increasing rapidly. Solar thermal energy is being widely investigated as a solution. Efficient thermal solar collectors require a spectrally selective material capable ... 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
Scanning and transmission electron microscopy investigation of multiwall carbon nanotube/nickel oxide nanocomposite thin films

Author: Roro, Kittessa T ; Mwakikunga, Bonex W ; Tile, N ; Forbes, A Date: Dec 2011 Owing to their unique electronic and optical properties, nanocomposite thin films are widely used for converting solar radiation therapy into other conventional energy forms, such as heat and electricity. Carbon nanotube-based composites which ... 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
Sol-gel fabrication and optical absorption properties of C-NiO nanocomposite coatings

Author: Tile, N ; Roro, Kittessa T ; Forbes, A Date: Dec 2010 This paper discusses the process of sol-gel fabrication and the optical absorption properties of C-NiO nanocomposite coatings. Read more

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Browsing Conference Publications by Author "Tile, N"

Browsing Conference Publications by Author "Tile, N"

Browse

All of ResearchSpace

This Collection

Quick Links

Legislation and compliance

General Enquiries

Social Connect