Search Results - "Maphiri, V M"

The effects of varying the Eu3+ concentration on the structural and optical properties of Mg1.5Al2O4.5:x% Eu3+ (0 ≤ x ≤ 2) nanophosphors prepared by sol–gel method by Maphiri, VM, Dejene, BF, Motaung, TE, Hlatshwayo, TT, Ndwandwe, OM, Motloung, SV

“…Mg1.5Al2O4.5:x% Eu3+ (0 ≤ x ≤ 2) nanopowders were successfully synthesized via sol–gel method. The X-ray diffraction (XRD) spectrum revealed that the…”
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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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Impact of trivalent Yttrium on the structural and optical properties of CaAl2O4: New frontier in supercapacitor positive electrode by Nkuna, E., Mhlongo, M.R., Dlamini, C., Melato, L.T., Bele, A., Maphiri, V.M.

“…In this work, trivalent Yttrium doped calcium aluminate (CaAl2O4:x% Y3+) were synthesized for the first time. Through Photoluminescence (PL) spectroscopy and…”
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Swift heavy ion irradiation of polyaniline-graphene nanocomposite films: Structural and optical properties by Chilukusha, D.C., Mboukam, J.J., Maphiri, V.M., Manyala, N., Msimanga, M.

“…In this study, we investigate the use of swift heavy ions to modify the structural and optical properties of PANI-graphene nanocomposite (PANI-G NC) films…”
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Tuneable blue-green co-activated CaAl2O4: 0.1 mol% Tb3+, x mol% Sm3+ (0 ≤ x ≤ 2) nanophosphor prepared by citrate sol-gel method by Dlamini, C., Maphiri, V.M., Melato, L.T., Mokoena, T.P., Mhlongo, M.R.

“…This study reports the analysis of tuneable blue-green phosphor of calcium aluminate (CaAl2O4) co-doped with terbium (Tb3+) and varying concentration of…”
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Characterization of two-way fabricated hybrid metal-oxide nanostructured electrode materials for photovoltaic and miniaturized supercapacitor applications by Adewinbi, S.A., Taleatu, B.A., Maphiri, V.M., Fasakin, O., Omotoso, E., Oyedotun, K.O., Manyala, N.

“…Portable electronic devices require a small volume self-powered energy system that can combine fabrication of energy harvesting and storage devices in one…”
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Impact of trivalent Yttrium on the structural and optical properties of CaAl 2 O 4 : New frontier in supercapacitor positive electrode by Nkuna, E, Mhlongo, M R, Dlamini, C, Melato, L T, Bele, A, Maphiri, V M

“…In this work, trivalent Yttrium doped calcium aluminate (CaAl O :x% Y ) were synthesized for the first time. Through Photoluminescence (PL) spectroscopy and…”
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Citrate sol-gel synthesis of BaAl2O4:x% Cu2+ (0 ≤ x ≤ 1) nano-phosphors: Structural, morphological and photoluminescence properties by Maphiri, V.M., Mhlongo, M.R., Hlatshwayo, T.T., Motaung, T.E., Koao, L.F., Motloung, S.V.

“…This paper reports on the effects of varying the Cu2+ doping concentration on the structure, morphology and optical properties of the BaAl2O4 phosphor…”
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Influence of nitrogen and sulfur co-doped activated carbon used as electrode material in EmiFSI ionic liquid toward high-energy supercapacitors by Kitenge, V.N., Tarimo, D.J., Rutavi, G., Maphiri, V.M., Sarr, S., Diop, M., Chaker, M., Manyala, N.

“…Porous carbon materials used as electrode materials could benefit from heteroatom co-doping to enhance their electrochemical properties. A one-step…”
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Effects of varying Alx moles on structure and luminescence properties of ZnAlxO1.5x+1:0.1 mol% Tb3+ nanophosphors prepared using citrate sol–gel method by Maphiri, V.M., Melato, L.T., Mhlongo, M.R., Hlatshwayo, T.T., Motaung, T.E., Koao, L.F., Motloung, S.V.

“…Un-doped and ZnAlxO1.5x+1:0.1 mol% Tb3+ (ZAOT) nano-powders were synthesized via citrate sol-gel method. The Alx moles were varied in the range of 0.25 ≤…”
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Effects of Mg2+ concentration on the structure and optical properties of MgxAl2O3+x:0.88% Cd2+ (0.25≤x≤4.5) nano-powders synthesized via citrate sol-gel by Maphiri, V.M., Dejene, F.B., Motloung, S.V.

“…Un-doped (Mg1.5Al2O4.5) and 0.88% Cd2+ doped MgxAl2O3+x nano-powders were synthesized via citrate sol-gel method. The Mgx concentration was varied in the range…”
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The effects of varying the Eu 3+ concentration on the structural and optical properties of Mg 1.5 Al 2 O 4.5 : x % Eu 3+ (0 ≤ x ≤ 2) nanophosphors prepared by sol–gel method by Maphiri, VM, Dejene, BF, Motaung, TE, Hlatshwayo, TT, Ndwandwe, OM, Motloung, SV

“…Mg 1.5 Al 2 O 4.5 : x% Eu 3+ (0 ≤ x ≤ 2) nanopowders were successfully synthesized via sol–gel method. The X-ray diffraction (XRD) spectrum revealed that the…”
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