A5003733259- Copper-based nanomaterials and applications
- Nanoparticles: synthesis and applications
- Advanced Photocatalysis Techniques
- Advanced Nanomaterials in Catalysis
- Transition Metal Oxide Nanomaterials
- Advancements in Battery Materials
- Electrochemical Analysis and Applications
- Electrocatalysts for Energy Conversion
- ZnO doping and properties
- Magnetic Properties and Synthesis of Ferrites
- Catalytic Processes in Materials Science
- Supercapacitor Materials and Fabrication
- Ammonia Synthesis and Nitrogen Reduction
- Advanced battery technologies research
- Iron oxide chemistry and applications
- Conducting polymers and applications
- Chalcogenide Semiconductor Thin Films
- Laser-Ablation Synthesis of Nanoparticles
- Electrochemical sensors and biosensors
- Laser-induced spectroscopy and plasma
- Laser Material Processing Techniques
- Surface Roughness and Optical Measurements
- Ga2O3 and related materials
- Fullerene Chemistry and Applications
- Electrophoretic Deposition in Materials Science
University of South Africa
2016-2025
National Research Foundation
2017-2023
iThemba Laboratory
2017-2021
University of the Western Cape
2014-2016
The research work involves the development of better and reliable method for bio-fabrication Zinc oxide nanoparticles through green using Moringa Oleifera extract as an effective chelating agent. electrochemical activity, crystalline structure, morphology, isothermal behavior, chemical composition optical properties ZnO were studied various characterization techniques i.e. Cyclic voltammetry (CV), X-ray powder diffraction (XRD), High resolution transmission electron microscopy (HRTEM),...
A novel ternary Punica granatum L-Cu/Cu2O/CuO/ZnO nanocomposite was successfully synthesised via green route. In this work, we demonstrate that the synthesis of metal oxides is more viable and facile compare to other methods, i.e., physical chemical routes while presenting a potential electrode for energy applications. The prepared characterised by both microscopic spectroscopic techniques. High-resolution scanning electron microscopy (HRSEM) X-ray diffraction (XRD) techniques revealed...
A low energy bandgap between Ce3+ and Ce4+ states in cerium oxides, high oxygen mobility storage capacity are the properties that qualify them to be most widely used heterogeneous catalysts. This present work is an account of studies were carried out on synthesis catalytic pure CeO2, CeO2/La2O3 based binary metal oxide nanostructures prepared by hydrothermal method. Our results revealed temperature pressure during reactions played a critical role controlling shape, size, vacancy,...
We report the new synthesis route of hierarchical yttria (Y2O3) nanosphere decorated ceria (CeO2) nanorods from precursor cerium nitrate and yttrium under hydrothermal method (HM). Synthesized (NRs) were analyzed by different techniques to investigate their textural morphology, size shape crystalline structures, morphology growth, optical activity sizes samples. The luminescence blue peaks observed in range 450–490 nm green emission appeared at 533 room temperature (RT), presence oxygen...
CuO-TiO2 nanocomposites were successfully synthesized using the C. benghalensis plant extracts. The effect of composition CuO to TiO2 on morphological, optical, electrochemical, and photodegradation efficiency in composites was studied. SEM, XRD, UV-vis, FTIR, TGA, BET, CV used characterize these materials. XRD data reported tenorite structure anatase phase TiO2. SEM showed spherical morphologies for all NPs, also mesoporous nature, as depicted by BET. voltammogram 30/70 electrode a higher...
Abstract The study presents bismuth ferrite nanomaterial (BiFeO 3 ) prepared by the green method using Moringa oleifera natural extract as an anode material for supercapacitor application. Cyclic voltammetry, electrochemical impedance spectroscopy, and galvanostatic charge discharge methods were employed to evaluate properties of at modified electrode relative unmodified electrode. cyclic voltametric response revealed broad redox peaks peak separations that clearly indicated...
Green synthesis aligns with the global demand for eco-friendly and sustainable technologies, reducing dependency on harmful chemicals high-energy processes typically used in conventional techniques. This study highlights a novel green route nickel cobaltite nanoparticles (NiCO2O4 NPs) utilizing Hyphaene thebaica extract as natural stabilizing agent. The synthesized NiCO2O4 NPs, sizes ranging from 20 to 30 nm, exhibited uniform diamond-like structures confirmed by SEM TEM imaging. XRD...
The research work involved the development of a better, inexpensive, reliable, easily and accurate way for fabrication Cobalt (II, III) oxide (Co3O4) nanoparticles through green synthetic method using Moringa Oleifera extract. electrochemical activity, crystalline structure, morphology, isothermal behaviour optical properties Co3O4 were studied various characterization techniques. X-ray diffraction (XRD) Energy Dispersive Spectroscopy (EDS) analysis confirmed formation nanoparticles....
Abstract Cadmium Oxide nanoparticles have the lowest toxicity when compared to of other semiconductors and they are not detrimental human mammalian cells, thereby making them candidates for targeting cancer cells. Synadenium cupulare plant extracts were used synthesize CdO/CdCO 3 nanocomposite using cadmium nitrate tetrahydrate 98% as a precursor salt. The resultant characterized scanning electron microscopy (SEM), transmission (TEM), X-ray diffraction (XRD), photoelectron spectroscopy,...
In this contribution an exceptionally simple, cost effective and reliable method for biosynthesis of ZnO nanoparticles through using Sageretia thea natural extracts as chelating agent. The morphological analysis shows has nanoscale particles size 28.09 nm ± 5 nm, crystalline possess distinct nanostructure hexagonal wurtzite structure. Effects heat on synthesised at room temperature caused bonds with in the molecule to be broken exhibited continuous weight loss 3 quasi sharp changes...
This research successfully synthesized semiconductive magnesioferrite (MgFe2O4) nanomaterials using a green chemistry method that utilizes the natural extract of Moringa olefeira serving as both reducing and oxidizing agent. The optical characteristics crystalline structure MgFe2O4 were analysed photoluminescence, diffuse reflectance spectroscopy, X-ray diffraction. Additionally, Fourier transform infrared spectroscopy provided valuable insights into chemical bonding composition....