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Browsing by Author "Makiwa, G"

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Solar selective absorber functionality of carbon nanoparticles embedded in SiO2, NiO and ZnO matrices

Author: Katumba, G ; Makiwa, G ; Olumekor, L ; Forbes, A Date: Jan 2008 It is possible to design an optical material, through control of the substrate and coatings, to absorb a large fraction of the solar spectrum and to emit very little radiation energy in the near and far infra-red wavelength range. This requires ... Read more
Synthesis and optical characterization of C-SiO2 and C-NiO sol-gel composite films for use as selective solar absorbers

Author: Makiwa, G ; Katumba, G ; Olumekor, L Date: Aug 2008 The authors present a cheaper and environmentally friendly method to fabricate efficient spectrally selective solar absorber materials. The sol-gel technique was used to fabricate carbon-silica (C-SiO2) and carbon-nickel oxide (C-NiO) composite ... Read more

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Browsing by Author "Makiwa, G"

Browsing by Author "Makiwa, G"

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