Author:Raleaooa, PV; Roodt, A; Mhlongo, Gugu H; Motaung, David E; Ntwaeaborwa, OMDate:Jan 2018The structure, particle morphology and photoluminescent properties of n(sup2+) doped ZnS nanoparticles are reported. The X-ray powder diffraction studies showed that incorporation of Mn(sup2+) did not cause any change to the crystallized cubic ...Read more
Author:Roro, Kittessa T; Mwakikunga, Bonex W; Forbes, A; Tile, N; Yalisi, BDate:Sep 2010Multi-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
Author:Tile, NDate:Mar 2012High efficiency tandem selective solar absorber materials of carbon in nickel oxide (C-NiO) composite were fabricated on an aluminium substrate using a simple and cost effective sol-gel process. The process involved preparation of carbon and ...Read more
Author:Chapple, Stephen A; Ferg, EDate:Nov 2006Cotton has many desirable properties, but is flammable. The flame retardant treatment of cotton is an important textile process. To study the effect of a sol-gel phosphate-based flame-retardant coating on fabric properties (flammability, ...Read more
Author:Raleaooa, PV; Roodt, A; Mhlongo, Gugu H; Motaung, David E; Kroon, RE; Ntwaeaborwa, OMDate:Feb 2017The structure, particle morphology, optical and magnetic properties of ZnO, ZnS and ZnO-ZnS nanoparticles prepared by the sol-gel method are reported. ZnO and ZnS were combined at room temperature by an ex situ synthetic route to prepare ...Read more
Author:Roro, Kittessa T; Tile, N; Forbes, ADate:Dec 2010Nanocomposite 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
Author:Roro, Kittessa T; Tile, N; Yalisi, B; De Gama, M; Wittes, T; Roberts, T; Forbes, ADate:May 2011A 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
Author:Tile, N; Roro, Kittessa T; Forbes, ADate:Dec 2010This paper discusses the process of sol-gel fabrication and the optical absorption properties of C-NiO nanocomposite coatings.Read more
Author:Liu, GQ; Wen, L; Liu, GY; Luo, HZ; Ma, BY; Wu, QY; Tian, YWDate:Aug 2011Spinel compound LiNi0.4Mn1.5Cr0.1O4 (LNMCO) and Li4Ti5O12 (LTO) were synthesized by the sol-gel method and the solid-state method, respectively. The particle sizes of the products LiNi0.4Mn1.5Cr0.1O4 and Li4Ti5O12 were 0.5 to 2 um and 0.5 to ...Read more