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Dependence of photoluminescence (PL) emission intensity on Eu3+ and ZnO concentrations in Y2O3:Eu3+ and ZnO·Y2O3:Eu3+ nanophosphors

Author: Mhlongo, Gugu H ; Dhlamini, MS ; Swart, HC ; Ntwaeaborwa, OM ; Hillie, KT Date: Aug 2011 Y2O3:Eu3+ and ZnO·Y2O3:Eu3+ nanophosphor powders with different concentrations of Eu3+ ions were synthesized by a sol–gel method and their luminescence properties were investigated. The red photoluminescence (PL) from Eu3+ ions with the main ... Read more
Luminescent, magnetic and optical properties of ZnO-ZnS nanocomposites

Author: Raleaooa, PV ; Roodt, A ; Mhlongo, Gugu H ; Motaung, David E ; Kroon, RE ; Ntwaeaborwa, OM Date: Feb 2017 The structure, particle morphology, optical and magnetic properties of ZnO, ZnS and ZnO-ZnS nanoparticles prepared by the sol-gel method are reported. ZnO and ZnS were combined at room temperature by an ex situ synthetic route to prepare ... Read more

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Browsing by Subject "Phosphors"

Browsing by Subject "Phosphors"

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