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Browsing by Author "Hillie, Kenneth T"

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The blue luminescence of p-type NiO nanostructured material induced by defects: H2S gas sensing characteristics at a relatively low operating temperature

Author: Mokoena, Teboho P ; Tshabalala, Zamaswazi P ; Hillie, Kenneth T ; Swart, HC ; Motaung, DE Date: Sep 2020 The detection of hazardous and toxic gases in homes and corporate world, with highly sensitive and selective manner continues to be of great interest. Therefore, we report on the gas sensing characteristics of NiO nanostructures with crystallite ... Read more
Colour tuning from violet to blue emission stimulated by various nickel oxide nanostructures: Influence of bias voltage towards volatile organic compounds vapours

Author: Mokoena, Teboho P ; Swart, HC ; Hillie, Kenneth T ; Motaung, DE Date: Mar 2021 Propanol and benzene, toluene, ethylenebenzene and xylene (BTEX) vapours are within the volatile organic compounds (VOCs) family and are utilized in industrial and petroleum goods, are greatly toxic in human health and environment. Therefore, ... Read more
Fabrication of a propanol gas sensor using p-type nickel oxide nanostructures: The effect of ramping rate towards luminescence and gas sensing characteristics

Author: Mokoena, Teboho P ; Hillie, Kenneth T ; Swart, HC ; Leshabane, N ; Tshilongo, J ; Motaung, DE Date: Oct 2020 We report on the effect of the annealing temperature ramping rate on the gas sensing performance towards n-propanol gas and the luminescence properties using p-type NiO gas sensors prepared by the hydrothermal method and annealed at various ... Read more
Photoluminescence quenching and enhanced optical conductivity of P3HT derived Ho3+-doped ZnO nanostructures

Author: Kabongo, GL ; Mbule, PS ; Mhlongo, Gugu H ; Mothudi, BM ; Hillie, Kenneth T ; Dhlamini, MS Date: Dec 2016 In this article, we demonstrate the surface effect and optoelectronic properties of holmium (Ho(sup3+))-doped ZnO in P3HT polymer nanocomposite. We incorporated ZnO:Ho(sup3+) (0.5 mol% Ho) nanostructures in the pristine P3HT-conjugated polymer ... Read more
Structural, photoluminescence and XPS properties of Tm3þ ions in ZnO nanostructures

Author: Kabongo, GL ; Mhlongo, Gugu H ; Mothudi, BM ; Hillie, Kenneth T ; Mbule, PS ; Dhlamini, MS Date: Jul 2017 In the present study, a succession of thulium (Tm)-doped zinc oxide (ZnO) nanostructures samples were prepared by sol-gel method using zinc acetate dihydrate, thulium nitrate pentahydrate and sodium hydroxide species with absolute ethanol as ... Read more

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Browsing by Author "Hillie, Kenneth T"

Browsing by Author "Hillie, Kenneth T"

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