Browsing Research Publications/Outputs by Author "Kabongo, GL"

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Enhanced exciton emission from ZnO nano-phosphor induced by Yb3+ ions

Author: Kabongo, GL ; Mhlongo, Gugu H ; Mothudi, BM ; Hillie, KT ; Swart, HC ; Dhlamini, MS Date: 2014 In this work, the sol–gel method was used to prepare Ytterbium (Yb(sup3+)) doped ZnO nano-phosphors with different concentrations of Yb(sup3+) ions. Their structural, morphological, photoluminescence, electronic states and the chemical ... Read more
Microstructural and photoluminescence properties of sol–gel derived Tb3+ doped ZnO nanocrystals

Author: Kabongo, GL ; Mhlongo, Gugu H ; Malwela, T ; Mothudi, BM ; Hillie, KT ; Dhlamini, MS Date: Apr 2014 Un-doped and Tb(Sup3+) doped ZnO nanocrystals with different concentrations of Tb(Sup3+) were synthesized by a sol–gel method and their photoluminescence (PL) properties were investigated. The successful incorporation of Tb(sup3+) ions with ... 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
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

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Browsing Research Publications/Outputs by Author "Kabongo, GL"

Browsing Research Publications/Outputs by Author "Kabongo, GL"

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