Browsing by Author "Khotseng, Lindiwe"
Now showing items 1-9 of 9
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Antibacterial and photodegradation of organic dyes using lamiaceae-mediated zno nanoparticles: A review
Mutukwa, Dorcas; Taziwa, Raymond T.; Khotseng, Lindiwe (MDPI, 2022)The green synthesis of zinc oxide nanoparticles (ZnO NPs) using plant extracts has been receiving tremendous attention as an alternative to conventional physical and chemical methods. The Lamiaceae plant family is one ... -
Development of adsorptive materials for selective removal of toxic metals in wastewater: A review
Motitswe, Moeng Geluk; Badmus, Kassim Olasunkanmi; Khotseng, Lindiwe (MDPI, 2022)Removal of toxic metals is essential to achieving sustainability in wastewater purification. The achievement of efficient treatment at a low cost can be seriously challenging. Adsorption methods have been successfully ... -
Effects of heat treatment on the catalytic activity and methanol tolerance of carbon-supported platinum alloys
Valisi, Andiswa; Maiyalagan, Thandavarayan; Khotseng, Lindiwe; Linkov, Vladimir; Pasupathi, Sivakumar (Springer, 2012)This work studies the effect of heat treatment of carbon-dispersed platinum and platinum alloys on its methanol tolerance and catalytic activity as gas diffusion electrodes for oxygen reduction reaction (ORR) in acid medium. ... -
Extraction and synthesis of silicon nanoparticles (sinps) from sugarcane bagasse ash: A mini-review
Seroka, Ntalane Sello; Taziwa, Raymond T.; Khotseng, Lindiwe (MDPI, 2022)This current study reviews the utilization of the traditional extraction methods and latest findings in extraction of silica from agricultural wastes, in particular, sugarcane bagasse, using inorganic acids to produce ... -
Fabrication of polyoxometalate-modified palladium–nickel/reduced graphene oxide alloy catalysts for enhanced oxygen reduction reaction activity
Sanij, Fereshteh Dehghani; Balakrishnan, Prabhuraj; Khotseng, Lindiwe (Royal Society of Chemistry, 2021)Designing advanced nanocatalysts for effectively catalyzing the oxygen reduction reaction (ORR) is of great importance for practical applications of direct methanol fuel cells (DMFCs). In this work, the reduced graphene ... -
Green synthesis of crystalline silica from sugarcane bagasse ash: Physico-chemical properties
Seroka, Ntalane S.; Taziwa, Raymond; Khotseng, Lindiwe (MDPI, 2022)Sugarcane bagasse South Africa is an agricultural waste that poses many environmental and human health problems. Sugarcane bagasse dumps attract many insects that harm the health of the population and cause many diseases. ... -
Materials, components, assembly and performance of flexible polymer electrolyte membrane fuel cell: A review
Duan, Yuan; Liu, Huiyuan; Khotseng, Lindiwe (Elsevier, 2023)With emerging demand of potable and wearable electronic devices, reliable and flexible energy suppliers are inevitable. Polymer electrolyte membrane fuel cells (PEMFCs) attract great attention due to high energy density and ... -
Nanostructured silicon derived from an agricultural residue bagasse ash via magnesiothermic reduction method
Seroka, Ntalane S.; Taziwa, Raymond; Khotseng, Lindiwe (MDPI, 2023)This study presents the magnesiothermic reduction of silica into silicon. This reduction process occurs at a lower reaction temperature than its carbothermal counterpart. Furthermore, silica was extracted from sugarcane ... -
Solar energy materials-evolution and niche applications: A literature review
Seroka, Ntalane S.; Taziwa, Raymond; Khotseng, Lindiwe (MDPI, 2022)The demand for energy has been a global concern over the years due to the ever increasing population which still generate electricity from non-renewable energy sources. Presently, energy produced worldwide is mostly from ...