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Browsing by Author "Mokoena, Teboho P"

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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
Esterified cellulose nanofibres from saw dust using vegetable oil

Author: Mokoena, Teboho P ; Mathew, Maya J Date: Apr 2020 In this work, cellulose nanofibres (CNFs) were extracted from sawdust, which is an underutilized by-product from the wood and timber industry. The extracted CNFs by chemical and mechanical treatments had a web-like structure with diameters ... 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
A review on recent progress of p-type nickel oxide based gas sensors: Future perspectives

Author: Mokoena, Teboho P ; Swart, HC ; Motaung, David E Date: Jun 2019 Recently, technological and industrial advances uninterruptedly cause the release of hazardous and toxic gases that are harmful to human life; as a result gas sensing devices that are highly sensitive and selective to such gases are in a high ... Read more
TiO2 nanowires for humidity-stable gas sensors for toluene and xylene

Author: Tshabalala, Zamaswazi P ; Mokoena, Teboho P ; Jozela, M ; Tshilongo, J ; Hillie, Thembela K ; Swart, HC ; Motaung, DE Date: Dec 2020 The dual-functionality sensor derived from semiconductor metal oxides operating at low temperature for low power consumption and robust stability toward humidity is a striking platform for economic and indoor air-quality monitoring. Therefore, ... Read more

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Browsing by Author "Mokoena, Teboho P"

Browsing by Author "Mokoena, Teboho P"

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All of ResearchSpace

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