Search Results - "Duvenhage, M M"

Effect of Eu doping on the photoluminescence properties of ZnO nanophosphors for red emission applications by Kumar, Vinod, Kumar, Vijay, Som, S., Duvenhage, M.M., Ntwaeaborwa, O.M., Swart, H.C.

“…•ZnO:Eu3+ NPr was successfully prepared by a simple solution combustion method.•Pure ZnO formed at low doping concentrations, while Eu2O3 formed at higher…”
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Origin of the red emission in zinc oxide nanophosphors by Kumar, Vinod, Swart, H.C., Ntwaeaborwa, O.M., Kroon, R.E., Terblans, J.J., Shaat, S.K.K., Yousif, A., Duvenhage, M.M.

“…UV and orange-red light emitting zinc oxide nano-phosphors (ZnO NPr) were synthesised by a combustion method using zinc nitrate and zinc acetate as precursors…”
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Phosphor Polymer Nanocomposite: ZnO:Tb3+ Embedded Polystyrene Nanocomposite Thin Films for Solid-State Lighting Applications by Prakash, Jai, Kumar, Vinod, Erasmus, L. J. B, Duvenhage, M. M, Sathiyan, G, Bellucci, Stefano, Sun, Shuhui, Swart, Hendrik C

“…Producing novel functional nanomaterials with high reproducibility is extremely desirable but very challenging. Further treatment by reliably combining or…”
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The effect of different annealing temperatures on the structure and luminescence properties of Y2O3:Bi3+ thin films fabricated by spin coating by Yousif, A., Jafer, R.M., Som, S., Duvenhage, M.M., Coetsee, E., Swart, H.C.

“…•Y2−xO3:Bix=0.005 thin films were successfully fabricated by the spin coating method.•The Y2−xO3:Bix=0.005 thin films were converted into Y2Si2O7:Bi films…”
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Synthesis, Thermal and Spectroscopic Characterization of Caq2 (Calcium 8-Hydroxyquinoline) Organic Phosphor by Nagpure, I. M., Duvenhage, M. M., Pitale, Shreyas S., Ntwaeaborwa, O. M., Terblans, J. J., Swart, H. C.

“…Bluish-green photoluminescence from calcium 8-hydroxyquinolate (Caq 2 ) powder, synthesized by a co-precipitation route, and a blended Caq 2 :PMMA thin film is…”
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Dopant distribution and influence of sonication temperature on the pure red light emission of mixed oxide phosphor for solid state lighting by Som, S., Kumar, Vijay, Kumar, Vinod, Gohain, Mukut, Pandey, Anurag, Duvenhage, M.M., Terblans, J.J., Bezuindenhoud, B.C.B., Swart, H.C.

“…•(Y,Gd)2O3: Eu3+ phosphors were prepared by the sonochemical method at various growth temperatures.•The formation and growth mechanisms in the sonochemical…”
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Spectral and surface investigations of Mn2+ doped SrZnO2 nanocrystalline phosphors by Bedyal, A. K., Kumar, Vinay, Sharma, Vishal, Pitale, S. S., Coetsee, E., Duvenhage, M. M., Ntwaeaborwa, O. M., Swart, H. C.

“…A yellow light-emitting SrZnO 2 :Mn 2+ nanophosphor was synthesized through a combustion process using metal nitrates as precursors and urea as fuel. The…”
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Surface characterization of ZnO nanorods grown by chemical bath deposition by Mbulanga, C.M., Urgessa, Z.N., Tankio Djiokap, S.R., Botha, J.R., Duvenhage, M.M., Swart, H.C.

“…The surface composition of as-grown and annealed ZnO nanorods (ZNs) grown by a two-step chemical bath deposition method is investigated by the following…”
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The defect passivation effect of hydrogen on the optical properties of solution-grown ZnO nanorods by Urgessa, Z.N., Mbulanga, C.M., Tankio Djiokap, S.R., Botha, J.R., Duvenhage, M.M., Swart, H.C.

“…In this study the effect of annealing environment on both low temperature and room temperature photoluminescence (PL) characteristics of ZnO nanorods, grown in…”
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Chemical and electrical characteristics of annealed Ni/Au and Ni/Ir/Au contacts on AlGaN by Ngoepe, P.N.M., Meyer, W.E., Auret, F.D., Omotoso, E., Diale, M., Swart, H.C., Duvenhage, M.M., Coetsee, E.

“…The evolution of Ni/Au and Ni/Ir/Au metal contacts deposited on AlGaN was investigated at different annealing temperatures. The samples were studied with…”
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TOF SIMS induced artificial topographical effects on the Y2(Al,Ga)5O12:Tb3+ thin films deposited on Si substrates by the pulsed laser deposition technique by Yousif, A., Jafer, R.M., Terblans, J.J., Ntwaeaborwa, O.M., Duvenhage, M.M., Kumar, Vinod, Swart, H.C.

“…•Y3(Al,Ga)5O12:Tb3+ thin films were deposited by PLD on Si substrates.•Agglomerated particles were obtained both inside and on the thin film surfaces.•TOF-SIMS…”
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UV exposure and photon degradation of Alq3 powders by Duvenhage, M.M., Ntwaeaborwa, O.M., Swart, H.C.

“…Tris-(8-hydroxyquinoline)aluminum (Alq3) is a widely used light emitting material. It is also used as an electron transporting layer in organic light emitting…”
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Characterization of luminescent and thermal properties of long afterglow SrAlxOy:Eu2+,Dy3+ phosphor synthesized by combustion method by Bem, D.B., Swart, H.C., Luyt, A.S., Duvenhage, M.M., Dejene, F.B.

“…Europium and dysprosium codoped strontium aluminate green phosphor was synthesized by combustion method using urea as reducer and fuel. The morphology,…”
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Surface, optical and photocatalytic properties of Rb doped ZnO nanoparticles by Kumar, Promod, Kumar, Ashish, Rizvi, Masood Ahmad, Moosvi, Syed Kazim, Krishnan, Venkata, Duvenhage, M.M., Roos, W.D., Swart, H.C.

“…[Display omitted] •ZnO:Rb nanoparticles were synthesized by a simple combustion technique.•Rb was homogenously distributed in ZnO with an additional phase…”
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Synthesis, structures and luminescence properties of two gallium(III) complexes with 5,7-dimethyl-8-hydroxyquinoline by Alexander, Orbett T., Duvenhage, Mart M., Brink, Alice, Swart, Hendrik C., Müller, Peter, Kroon, R. E., Visser, Hendrik G.

“…Luminescent gallium(III) complexes featuring 5,7-dimethyl-8-hydroxyquinoline (DimOx) are systematically compared and their structural features are correlated…”
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Surface and chemical characterization of ZnO:Eu3+/Yb3+ spin coated thin films using SEM-CL and TOF-SIMS by Balakrishna, A., Duvenhage, M.M., Swart, H.C.

“…The morphological properties of sol-gel spin coated ZnO:Eu3+(1 mol%)/Yb3+(7 mol%) thin films grown on Si(100) substrates are reported. The surface composition…”
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Evaluation of sputtering induced surface roughness development of Ni/Cu multilayers thin films by Time-of-Flight Secondary Ion Mass Spectrometry depth profiling with different energies O2+ ion bombardment by Yan, X.L., Duvenhage, M.M., Wang, J.Y., Swart, H.C., Terblans, J.J.

“…As a follow up on a previous paper on the quantitative evaluation of sputtering induced surface roughness and its influence on Auger electron spectroscopy…”
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Effects of Pt doping on surface properties and quenching of band edge emission in ZnO by Kumar, Promod, Mathpal, Mohan Chandra, Goutaland, F., Hevia, Samuel A., Duvenhage, M.M., Roos, W.D., Swart, H.C.

“…Pt doped ZnO thin films were synthesized on soda-lime glass substrates using a cost-effective sol-gel method, followed by spin coating and thermal annealing at…”
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Influence of cadmium precursor concentrations on the structural, optical and electrochemical impedance properties of CdZnS thin films by Offiah, Solomon U., Agbogu, Ada N.C., Nwanya, Assumpta C., Nkele, Agnes C., Chime, Ugochi K., Sone, B.T., Duvenhage, M.M., Botha, S., Ekwealor, A.B.C., Osuji, R.U., Maaza, M., Ezema, Fabian I.

“…Thin films of cadmium zinc sulfide (CdZnS) were deposited on microscopic glass substrates using the chemical bath deposition method and the effects of the Cd…”
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Role of Ga particulates on the structure and optical properties of Y3(Al,Ga)5O12:Tb thin films prepared by PLD by Yousif, A., Duvenhage, M.M., Ntwaeaborwa, O.M., Swart, H.C.

“…Y3(Al,Ga)5O12:Tb thin films (70nm) have been prepared by pulsed laser deposition on a Si (100) substrate at the substrate temperature of 300°C. The effect of…”
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