Search Results - "KOAO, L. F"

Effect of Eu3+ on the structure, morphology and optical properties of flower-like ZnO synthesized using chemical bath deposition by Koao, L.F., Dejene, F.B., Kroon, R.E., Swart, H.C.

“…The chemical bath deposition (CBD) method was used to synthesize ZnO undoped and Eu3+-doped nanostructures. The Eu3+ concentration was varied from 0.2 to…”
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Properties of flower-like ZnO nanostructures synthesized using the chemical bath deposition by Koao, L.F., Dejene, F.B., Swart, H.C.

“…Flower-like zinc oxide (ZnO) nanostructures were synthesized by the chemical bath deposition (CBD) method at 80°C. The effect of zinc acetate concentration…”
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The effect of Ce3+ on structure, morphology and optical properties of flower-like ZnO synthesized using the chemical bath method by Koao, L.F., Dejene, F.B., Swart, H.C., Botha, J.R.

“…Ce3+ doped ZnO flower-like structures were synthesized by the chemical bath deposition method (CBD). The influence of Ce3+ as a dopant on the crystallization,…”
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Luminescence from Ce in sol–gel SiO2 by Kroon, R.E., Seed Ahmed, H.A.A., Ntwaeaborwa, O.M., Koao, L.F., Nagpure, I.M., Gusowski, M.A., Botha, J.R., Swart, H.C.

“…The sol–gel process provides an attractive low temperature alternative to the melt process for producing Ce-doped silica, but reports of the emission…”
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The effects of varying the annealing period on the structure, morphology and optical properties of MgAl2O4:0.1% Mn2+ nanophosphors by Dlamini, C., Mhlongo, M. R., Koao, L. F., Motaung, T. E., Hlatshwayo, T. T., Motloung, S. V.

“…In this study, magnesium aluminate nanopowders doped with manganese ions (MgAl 2 O 4 :0.1% Mn 2+ ) were prepared by citrate sol–gel technique. The consequences…”
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Tailoring optical and electrical properties of ternary Pb1−xCoxS thin films synthesized from a combination of two complexing agents by Hone, F. G., Dejene, F. B., Koao, L. F.

“…Chemical bath deposition technique was used to synthesized Pb 1− x Co x S compounds at a bath temperature of 75 °C by using double complexing agents. The thin…”
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Optical and bandgap study of rare earth doped phosphate phosphor by Pawade, V. B., Zanwar, A., Birmod, R. P., Dhoble, S. J., Koao, L. F.

“…This article present an reports on optical and band gap study of rare earth doped (RE = Tb 3+ , Pr 3+ , Ce 3+ , Dy 3+ and Ce 3+ /Pr 3+ ions) KSr(PO 4 )…”
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Analysis of varying Gd3+ concentrations on the structure and optical properties of ZnAl2O4:0.1% Eu3+; x% Gd3+ (0 ≤ x ≤ 1.2) synthesized via citrate sol–gel method by Maphiri, V. M., Dwivedi, Y., Koao, L. F., Kroon, R. E., Motloung, S. V.

“…We report the preparation of 0.1% Eu 3+ ; x % Gd 3+ (0 ≤  x  ≤ 1.2) ZnAl 2 O 4 phosphors using the citrate sol–gel method. X-ray diffraction (XRD) data…”
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Effects of annealing temperature on the structure and photoluminescence properties of the ZnO/ZnAl2O4/Ca5Al6O14/Ca3Al4ZnO10:0.1% Ce3+ mixed-phases nanophosphor prepared by citrate sol–gel process by Mphelane, M. N., Mhlongo, M. R., Motaung, T. E., Koao, L. F., Hlatshwayo, T. T., Motloung, Setumo Victor

“…Mixed-phases of the undoped ZnAl 2 O 4 /ZnO/Ca 5 Al 6 O 14 (ZZC) and Ce 3+ doped ZnAl 2 O 4 /ZnO/Ca 5 Al 6 O 14 /Ca 3 Al 4 ZnO 10 (ZZCC:0.1% Ce 3+ ) were…”
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Effect of Annealing Temperature on the Structure, Morphology and Photoluminescence Properties of MgAl2O4:0.1% Eu3+ Nanophosphor Prepared by Sol–Gel Method by Melato, L. T., Koao, L. F., Motaung, T. E., Swart, H. C., Motloung, S. V.

“…Un-doped and 0.1% Eu 3+ -doped magnesium aluminate (MgAl 2 O 4 ) nanomaterials were synthesized using the sol–gel method. The effects of annealing temperature…”
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Optical properties of Ln2+,3+ (Ln = Eu2+, Ce3+, Dy3+ and Ce3+/Dy3+) doped BaMg2Al6Si9O30 nanophosphor by Kolte, M. M., Pawade, V. B., Koao, L. F., Dhoble, S. J.

“…This paper presents the synthesis and characterization of novel Eu 2+ , Ce 3+ , and Dy 3+ doped BaMg 2 Al 6 Si 9 O 30 nanophosphors by combustion method at…”
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Synthesis and characterization of Ce3+ doped silica (SiO2) nanoparticles by KOAO, L. F, SWART, H. C, OBED, R. I, DEJENE, F. B

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Effect of reaction time on structural, morphology and optical properties of ZnO nanoflakes prepared by chemical bath deposition method by Molefe, F.V., Koao, L.F., Dolo, J.J., Dejene, B.F.

“…ZnO nanoflakes have been successfully synthesized by the chemical bath deposition (CBD) method for different reaction times. X-ray diffraction (XRD) results…”
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Synthesis and characterization of europium doped zinc selenide thin films prepared by photo-assisted chemical bath technique for luminescence application by Hile, D.D., Swart, H.C., Motloung, S.V., Motaung, T.E., Kroon, R.E., Egbo, K.O., Pawade, V.B., Koao, L.F.

“…ZnSe:x% Eu3+ (0 ≤ x ≤ 2.0) thin films were deposited using the photo-assisted chemical bath technique. All the films samples revealed wurtzite phase and the…”
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Effects of varying Sm3+ concentration on the structure, morphology and photoluminescence properties of the BaAl2O4 /CaAl2O4/Ca4Al6O13/Ca3Al2O6:x% Sm3+ (0 ≤ x ≤ 1.9) mixed phases using citrate sol-gel method by Bele, A., Mhlongo, M.R., Koao, L.F., Motaung, T.E., Malevu, T.D., Hlatshwayo, T.T., Mpelane, S., Mlambo, M., Motloung, S.V.

“…BaAl2O4/CaAl2O4/Ca4Al6O13/Ca3Al2O6:x% Sm3+ (0 ≤ x ≤ 1.9) (hereafter called BCCC:x% Sm3+) nanophosphors were successfully prepared by citrate sol-gel method…”
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Investigative study of Mn2+ concentration on the structure, morphology and photoluminescence of sol-gel ZnAl2O4/ZnO/ SrAl2O4/Sr3Al2O6 mixed phase nanophosphor by Mhlongo, M.R., Koao, L.F., Kroon, R.E., Motloung, S.V.

“…The sol-gel technique was used to synthesize mixed phases of ZnAl2O4/ZnO/SrAl2O4/Sr3Al2O6 (ZZSS) nanophosphors. The study investigated the effect of varying…”
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Effects of Er3+ concentration on the structure and optical properties of the MgAl2O4/MgO/Sr3Al2O6/SrAl2O4 mixed phases prepared by the citrate sol gel method by Dlamini, C, Mhlongo, M R, Koao, L F, Motaung, T E, Hlatshwayo, T T, Dwivedi, Y, Motloung, S V

“…The mixed phases of the un-doped MgAl2O4/MgO/Sr3Al2O6/SrAl2O4 (MMSS), MgAl2O4/MgO (MM) Sr3Al2O6/SrAl2O4 (SS), and the doped MMSS:x% Er3+ (0 ≤ x ≤ 1.8)…”
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Color tuning and white light emission from sol-gel SiO2 nanoparticles doped with Sr2 by Moji, R.G., Kroon, R.E., Motloung, S.V., Motaung, T.E., Ahemen, I., Koao, L.F.

“…A series of silica (SiO2) nanoparticles doped with different concentrations of Sr2+ ions were successfully synthesized using the sol-gel method. The…”
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Morphology, structural and luminescent properties of sol-gel synthesized SiO2 powders co-doped with Sr2+ and Tb3 by Moji, R.G., Kroon, R.E., Motloung, S.V., Motaung, T.E., Koao, L.F.

“…A series of SiO2 (host), SiO2:0.4 mol% Sr2+ singly doped and SiO2:0.4 mol% Sr2+: x mol% Tb3+ co-doped (where x = 0.04, 0.08, 0.1, 0.4 and 0.5) phosphors was…”
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The effect of Mg2+ ions on the photoluminescence of Ce3+-doped silica by KOAO, L. F, SWART, H. C, COETSEE, E, BIGGS, M. M, DEJENE, F. B

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