Author:Nwanya, AC; Jafta, CJ; Ejikeme, PM; Ugwuoke, PE; Reddy, MV; Osuji, RU; Ozoemena, KI; Ezema, FIDate:May 2014Polyanine and its nanocomposite WO3/PANI films were deposited on fluorine doped tin oxide (FTO) glassslides by simple chemical bath deposition method. The morphology structure of the composite film wasstudied using atomic force microscopy ...Read more
Author:Valdes, M; Modibedi, Remegia M; Mathe, Mahlanyane K; Hillie, T; Vazquez, MDate:May 2014Cu(sub2)ZnSnS(sub4)(CZTS) thin films have been prepared using Electrochemical Atomic Layer Deposition (EC-ALD)and also by one-step conventional constant potential electrodeposition. Optimal deposition conditionswere investigated using cyclic ...Read more
Author:Modibedi, Remegia M; Mathe, Mahlanyane K; Motsoeneng, RG; Khotseng, LE; Ozoemena, KIDate:May 2014Direct alcohol fuel cells (DAFCs) continue to extensive attention as potential power sources for portable and stationary applications. The oxygen reduction reaction (ORR) involving the four electron transfer remains a challenge for DAFCs due ...Read more
Author:Mkhohlakali, Andile; Fuku, Xolle; Modibedi, Remegia M; Khotseng, L; Mathe, MkhuluDate:Apr 2022Herein, we report electro-synthesis of BiTePd using electrochemical atomic layer deposition (E-ALD). The SEM-EDS, AFM, and XRD were used to characterize Pd-based thin films' surface morphology and structure composition. BiTePd electrocatalyst ...Read more
Author:Weideman, E; Van Rensburg, NJJDate:Feb 1982The effect of electroflotation using aluminium electrodes on the C.O.D., D.O.C and colour values of liquors containing acid, disperse, mordant and basic dyes in the presence and absence of wool grease was investigated.Read more
Author:Mkhohlakali, AC; Fuku, X; Modibedi, Remegia M; Khotseng, LE; Mathe, Mkhulu KDate:Jul 2021Electrochemical atomic layer deposition was used to form bimetallic (BiPd, CuPd) and trimetallic (CuBiPd) thin films via surface-confined reactions. Pd thin films were characterized by cyclic voltammetry, scanning electron microscopy (SEM) ...Read more
Author:Malefafana, MT; Pratt, Lawrence E; Basappa Ayanna, Manjunath; Roro, Kittessa TDate:Oct 2019Electroluminescence (EL) imaging is a non-destructive characterization technique used widely across the solar PV industry. Similar to an x-ray image, the EL image allows the analyst to peer inside the PV module and see features that are ...Read more
Author:Le Roux, Lukas J; Hietkamp, SDate:Jul 2008Dye-sensitised photoelectrochemical solar cells with four different electrolyte combinations were assembled and characterised using current voltage measurements. The effects that the solvents (acetonitrile - ACN and propionitrile - PN) have ...Read more
Author:Khamlich, S; Srinivasu, VV; Nemraoui, O; McCrindle, R; Cingo, N; Maaza, MDate:Dec 2011The quasi-spherical nanoparticles of hydrated Cr2O3 · nH2O, and crystalline -Cr2O3, have been synthesized by reduction of the first row (3d) transition metal complex of K2Cr2O7. The temperaturedependence of electron spin resonance (ESR) ...Read more
Author:Ozoemena, KI; Mathebula, NS; Pillay, J; Toschi, G; Verschoor, JADate:2010The integrity and properties of mycolic acid (MA) antigens integrated into a self-assembled monolayer (SAM) of N-(2-mercaptoethyl)octadecanamide, (MEODA), on a gold electrode have been interrogated using cyclic voltammetry (CV) and electrochemical ...Read more
Author:Adekunle, AS; Ozoemena, KIDate:Jun 2010This work describes the electron transport and electrocatalytic properties of chemically-synthesized nickel (Ni) and nickel oxide (NiO) nanoparticles supported on multi-walled carbon nanotubes (MWCNT) platforms. Successful modification of the ...Read more
Author:Verhoest, P; James, T; Marais, Mario A; Van Audenhove, LDate:May 2006This contribution presents the results of a pilot project on ICT usage by South African SMMEs in the tourism industry. The Electronic Business Survey (EBS) methodology, which was tested for applicability in a developing country, in this case ...Read more
Author:Erasmus, Louwrence D; Van Der Walt, TDate:Jun 2015Access to quality healthcare in developing countries must be provided amidst a resource scarce environment and often only accessible to a fraction of the population. Health information technologies (HIT) are seen as a means to improve and ...Read more
Author:Sikhondze, NC; Erasmus, Louwrence DDate:May 2016Most medical records are kept on paper. This makes it difficult to use the available information for management of care, measuring of quality of care and improving care delivery. The healthcare industry is mostly data driven and it depends ...Read more
Author:Van Wyk, JDate:Aug 1993The new South Africa needs information and the CSIR has enabled end-users to search international and local database using an intelligent gateway to provide easy, affordable access to all the well-known hosts. All terminals, Minerals and PCs ...Read more
Author:Dhonge, BP; Ray, Suprakas S; Mwakikunga, Bonex WDate:Apr 2017In this paper, we present the first experimental evidence for electronic to protonic conduction switching in p-type semiconducting nanostructured cuprous oxide Cu2O porous films when exposed to humidity. We also present a linear response at ...Read more
Author:Smollen, M; Kafaar, ADate:1994Owing to the inherent inefficiency of dewatering equipment widely used today, the search for improved dewatering techniques has been pursued by the investigation of new innovative ideas. The main thrust of these investigations has been in ...Read more
Author:Tsoeunyane, GM; Mathe, Ntombizodwa R; Tshabalala, Lerato C; Makhatha, MEDate:May 2022The reduction of surface roughness on additively manufactured components has become a critical factor in engineering applications. This paper reports the electropolishing of additively manufactured Ti-6Al-4V by powder bed selective laser ...Read more
Author:Mokhena, Teboho C; Mochane, MJ; Mtibe, Asanda; Mathew, Maya J; Sadiku, ER; Sefadi, JSDate:Feb 2020Alginate has been a material of choice for a spectrum of applications, ranging from metal adsorption to wound dressing. Electrospinning has added a new dimension to polymeric materials, including alginate, which can be processed to their ...Read more