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Browsing Research Publications/Outputs by Impact Area "NS Materials for Sensing App"

Now showing items 1-13 of 13

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
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
A comprehensive comparison study on magnetic behaviour, defects-related emission and Ni substitution to clarify the origin of enhanced acetone detection capabilities

Author: Nemufulwi, Murendeni I ; Swart, HC ; Mhlongo, Gugu H Date: Jul 2021 In this work, nickel (Ni) substituted zinc ferrite nanoparticles (NPs) with formula NixZn1- xFe2O4 (x = 0, 0.1, 0.3, 0.4) were synthesized using a microwave-assisted hydrothermal method. We further evaluated the effects of Ni substitution on ... 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
Formation of monodispersed carbon nanospheres by pulsed laser irradiation of HOPG

Author: Mouane, O ; Sideras-Haddad, E ; Wamwangi, D ; Forbes, A ; Peters, G ; Erasmus, RM ; Mwakikunga, Bonex W ; Gkanetsos, T Date: Oct 2020 Monodispersed carbon-based nanostructures in the diameter range of 40–50 nm have been produced by pulsed laser irradiation. A pulsed ultraviolet laser light (308 nm) was used to irradiate Highly Oriented Pyrolytic Graphite surfaces with power ... Read more
Gas sensing materials roadmap

Author: Wang, H ; Ma, J ; Zhang, J ; Feng, Y ; Vijjapu, MT ; Yuvaraja, S ; Surya, SG ; Salama, KN ; Tshabalala, ZP ; Akande, Amos A Date: Jun 2021 Gas sensor technology is widely utilized in various areas ranging from home security, environment and air pollution, to industrial production. It also hold great promise in non-invasive exhaled breath detection and an essential device in ... Read more
The impact of synthesis techniques on the properties of hybrid perovskite materials for photovoltaic application

Author: Olaleru, S Akin ; Wamwangi, D ; Kirui, JK ; Roro, Kittessa T ; Mwakikunga, Bonex W ; Palaniyandy, Nithyadharseni ; El-Mahallawy, N ; Rashad, N Date: Jul 2020 Hybrid perovskites are organometal halide materials that are attractive to the researchers owing to impressive physical properties like absorption coefficients. Controlled formation of perovskite crystal during the preparation process is key ... 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
Micro nano manufacturing methods for chemical, gas and bio sensors, water purification and energy technologies

Author: Akande, Amos A ; Adeleye, AA ; Adenle, AA ; Mwakikunga, Bonex W Date: Dec 2020 This chapter reports on the various methods of fabricating and manufacturing micro and nano sensor, membrane and energy devices. Firstly, the characteristic often sought after by scientists and engineers for effective and efficient performance ... Read more
Perovskite solar cells: The new epoch in photovoltaics

Author: Olaleru, SA ; Kirui, JK ; Wamwangi, D ; Roro, Kittessa T ; Mwakikunga, Bonex W Date: Jan 2020 Perovskite-based solar cells (PSC) is the fastest growing solar technology to date since inception in 2009. This technology has revolutionized the photovoltaic (PV) community. While it has taken 15–42 years for traditional PV technologies to ... Read more
Pseudocapacitive material for energy storage application: PEDOT and PEDOT:PSS

Author: Adekoya, Gholahan J ; Sadiku, RE ; Hamam, Y ; Ray, Suprakas S ; Mwakikunga, Bonex W ; Folorunso, O ; Adekoya, OC ; Lolu, OJ ; Biotidara, OF Date: Nov 2020 The total volume of solar energy reaching the earth in every second is equivalent to the total energy usage by the entire human race for three days. With this vast amount of clean energy freely available to humanity, there is still heavy ... Read more
Time-resolved fluorescence decay and Gaussian analysis of P3HT-derived Ho3+- and Tm3+-doped ZnO nanostructures

Author: Kabongo, GL ; Mbule, PS ; Mhlongo, Gugu H ; Mothudi, BM ; Dhlamini, MS Date: Jan 2020 The fluorescence vibrational features of as-synthesized P3HT–ZnO:Ho3+ and P3HT–ZnO:Tm3+ thin films were investigated using Gaussian analysis. Relative to P3HT–ZnO:Tm3+ film, detailed Gaussian analysis of the fluorescence spectra revealed ... 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 Research Publications/Outputs by Impact Area "NS Materials for Sensing App"

Browsing Research Publications/Outputs by Impact Area "NS Materials for Sensing App"

Browse

All of ResearchSpace

This Community

Quick Links

Legislation and compliance

General Enquiries

Social Connect