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Browsing by Author "Shingange, Katekani"

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Adsorption of NH3 and NO2 molecules on sn-doped and undoped ZnO (101) surfaces using density functional theory

Author: Dima, Ratshilumela S ; Tshwane, David M ; Shingange, Katekani ; Modiba, Rosinah ; Maluta, NE ; Maphanga, Rapela R Date: 2022 The adsorption and interaction mechanisms of gaseous molecules on ZnO surfaces have received considerable attention because of their technological applications in gas sensing. The adsorption behavior of NH3 and NO2 molecules on undoped and ... Read more
Au functionalized ZnO rose-like hierarchical structures and their enhanced NO2 sensing performance

Author: Shingange, Katekani ; Swart, HC ; Mhlongo, Gugu H Date: Apr 2018 Herein, we present ZnO rose-like hierarchical nanostructures employed as support to Au nanoparticles to produce Au functionalized three dimensional (3D) ZnO hierarchical nanostructures (Au/ZnO) for NO2 detection using a microwave-assisted ... Read more
Design of porous p-type LaCoO3 nanofibers with remarkable response and selectivity to ethanol at low operating temperature

Author: Shingange, Katekani ; Swart, HC ; Mhlongo, Gugu H Date: Apr 2020 This work reports on the fabrication of remarkably selective and sensitive LaCoO3 nanofibers (NFs) based sensors obtained after annealing at different temperatures of 550, 650, and 700 °C. Findings from field emission scanning electron and ... Read more
Design of porous p-type LaCoO3 nanofibers with remarkable response and selectivity to ethanol at low operating temperature

Author: Shingange, Katekani ; Swart, HC ; Mhlongo, Gugu H Date: Apr 2020 This work reports on the fabrication of remarkably selective and sensitive LaCoO3 nanofibers (NFs) based sensors obtained after annealing at different temperatures of 550, 650, and 700 °C. Findings from field emission scanning electron and ... Read more
Fabrication of ultra-high sensitive and selective CH4 room temperature gas sensing of TiO2nanorods: Detailed study on the annealing temperature

Author: Tshabalala, Zamaswazi P ; Shingange, Katekani ; Dhonge, Baban, P ; Ntwaeaborwa, OM ; Mhlongo, Gugu H ; Motaung, David E Date: Jul 2016 Applications of ultra-highly sensitive and selective methane (CH(sub4)) room temperature gas sensors are important for various operations especially in underground mining environment. Therefore, this study is set out to investigate the effect ... Read more
LaBO3 (B¼ Fe, Co) nanofibers and their structural, luminescence and gas sensing characteristics

Author: Shingange, Katekani ; Swart, HC ; Mhlongo, Gugu H Date: Feb 2020 Perovskite based oxides provide various compositional combinations between different oxides for tuning gas sensing performances. Herein, we present lanthanum based perovskites (LaFeO3 and LaCoO3) nanofibers (NFs) synthesized through the ... Read more
Room temperature ferromagnetism and gas sensing in ZnOnanostructures: Influence of intrinsic defects and Mn, Co, Cu doping

Author: Mhlongo, Gugu H ; Shingange, Katekani ; Tshabalala, Zamaswazi P ; Dhonge, Baban, P ; Mahmoud, FA ; Mwakikunga, Bonex W ; Motaung, David E Date: Dec 2016 Undoped and transition metal (Cu, Co and Mn) doped ZnO nanostructures were successfully prepared via a microwave-assisted hydrothermal method followed by annealing at 500 °C. Numerous characterization facilities such as X-ray powder diffraction ... Read more
Sol-gel preparation and characterization of Er3+ doped TiO2 luminescent nanoparticles

Author: Talane, TE ; Mbule, PS ; Noto, LL ; Shingange, Katekani ; Mhlongo, Gugu H ; Mothudi, BM ; Dhlamini, MS Date: Dec 2018 The present paper reports on down-and up-conversion luminescence behaviour of sol-gel derived erbium doped titanium dioxide with anatase structure. Through combined structural, optical and electron microscope analysis, effective and influence ... Read more
Ultrafast detection of low acetone concentration displayed by au-loaded LaFeO3 nanobelts owing to synergetic effects of porous 1D morphology and catalytic activity of au nanoparticles

Author: Shingange, Katekani ; Swart, H ; Mhlongo, Gugu H Date: Nov 2019 Herein, we report on one-dimensional porous Au-modified LaFeO3 nanobelts (NBs) with high surface area, which were synthesized through the electrospinning method. The incorporation and coverage of Au nanoparticles (NPs) on the surface of the ... Read more

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Browsing by Author "Shingange, Katekani"

Browsing by Author "Shingange, Katekani"

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All of ResearchSpace

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