Journal of the Optical Society of America B (2 Citations)

Volume 37,issue 11, 2020, pp. A266-A276 https://doi.org/10.1364/JOSAB.396239

Influence of Ho3+ doping on the structural and optical characteristics of ZnO-ZrO2 nanocomposites synthesized by the solution combustion method

M. K. Musembi^1,2 · F. B. Dejene¹ · I. Ahemen^1,3 · K. G. Tshabalala¹

¹ Department of Physics, University of the Free State (QwaQwa campus) Private Bag, X13, Phuthaditjhaba 9866, South Africa

² Department of Physical Sciences, Machakos University, Machakos, Kenya

³ University of Agriculture, Makurdi, Nigeria

Journal of Applied Physics A: Materials Science and Processing (1 Citation)

Volume 126, 2020, Pages 610 DOI: https:// doi.org/10.1007/s00339-020-03795-w 

The effect of various fuels on the yield, structural and optical properties zinc zirconate nanocomposite

M. K. Musembi^1,2 · F. B. Dejene¹ · I. Ahemen^1,3 · K. G. Tshabalala¹

¹ Department of Physics, University of the Free State (QwaQwa campus) Private Bag, X13, Phuthaditjhaba 9866, South Africa

² Department of Physical Sciences, Machakos University, Machakos, Kenya

³ University of Agriculture, Makurdi, Nigeria

Journal of Optical Materials (2 Citation)

Volume 108, 2020, Pages 110168 DOI: https://doi.org/10.1016/j.optmat.2020.110168 

Luminescent properties of Eu³⁺-doped silica nanophosphors derived from rice husk

C. Mbakaan ^a,*, I. Ahemen ^b, A.D. Onojah ^b, A.N. Amah ^a, K.G. Tshabalala ^b, F.B. Dejene ^b

^a Department of Physics, University of Agriculture, P.M.B. 2373, Makurdi, Nigeria

 ^b Department of Physics, University of the Free State-QwaQwa Campus, Private Bag X13, Phuthaditjhaba, 9866, South Africa

Scientific African (1 Citation)

Volume 8, 2020, Pages e00447 

E?ect of Annealing on the efficiency of ambient-atmosphere fabricated MAPbI3 perovskite solar cells

Malevu T.D.^a,^*, Mwankemwa B.S.^b, Tshabalala, K.G.^c, Ocaya, R.O.^c

^aDepartment of Chemistry and Physics, Westville Campus, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa

^bDepartment of Physics, School of Physical Sciences, College of Natural and Mathematical Sciences, University of Dodoma, P.O. Box 338, Dodoma, Tanzania

^cDepartment of Physics, University of the Free State(Qwaqwa Campus), Private Bag X13, Phuthaditjhaba, 9866, South Africa

Journal of Electronic Materials (1 Citation)

Volume 48, 2019, Pages 6954-6963 DOI: 10.1007/s11664-019-07490-2 

E?ect of Ni Doping on ZnO Nanorods Synthesized Using a Low- Temperature Chemical Bath

Malevu T.D.^a,^*, Mwankemwa B.S.^b, Ahmed, M.A.M^c ,Motaung, T.E.^d, Tshabalala, K.G.^e, Ocaya, R.O.^e

^aDepartment of Chemistry and Physics, Westville Campus, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa

^bDepartment of Physics, School of Physical Sciences, College of Natural and Mathematical Sciences, University of Dodoma, P.O. Box 338, Dodoma, Tanzania

^cDepartment of Physics, Faculty of Education, University of Khartoum, P.O. Box 321, Omdurman, 11115, Sudan

^dDepartment of Chemistry, University of Zululand, KwaDlangezwa Campus, Private Bag X1001, KwaDlangezwa, 3886, South Africa

^eDepartment of Physics, University of the Free State(Qwaqwa Campus), Private Bag X13, Phuthaditjhaba, 9866, South Africa 

Physica E: Low-dimensional Systems and Nanostructures (16 Citations)

 Volume 106, 2019, Pages 127-132, DOI: 10.1016/j.physe.2018.10.028 

E?ect of annealing temperature on nano-crystalline TiO₂ for solar cell applications

T.D. Malevu^a,^*, B.S. Mwankemwa^c,^b, S.V. Motloung^d, K.G. Tshabalala^e, R.O. Ocaya^e

^aDepartment of Chemistry and Physics, Westville Campus, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa

^bDepartment of Physics, University of Pretoria, Pretoria, 0002, South Africa

^cDepartment of Physics, School of Physical Sciences, College of Natural and Mathematical Sciences, University of Dodoma, P.O. Box 338, Dodoma, Tanzania

^dDepartment of Physics, Nelson Mandela University, P. O. Box 77000, Port Elizabeth 6031, South Africa

^eDepartment of Physics, University of the Free State(Qwaqwa Campus), Private Bag X13, Phuthaditjhaba, 9866, South Africa

Journal of Molecular Structure (17 Citations)

 Volume 1175, 2019, Pages 241-252, DOI: 10.1016/j.molstruc.2018.08.002 

Effect of Tb³⁺ concentration on the structure and optical properties of triply doped ZnAl₂O₄:1% Ce³⁺,1% Eu³⁺,x% Tb³⁺ nano-phosphors synthesized via citrate sol-gel method

S.V. Motloung¹,  K.G. Tshabalala², R.E. Kroon³ , T.T. Hlatswayo⁴ ,M. Mlabao⁴ ,S. Mpelane⁵

¹Department of Physics, Nelson Mandela University, P. O. Box 77000, Port Elizabeth 6031, South Africa

²Department of Physics, University of the Free State(Qwaqwa Campus), Private Bag X13, Phuthaditjhaba, 9866, South Africa

³Department of Physics, University of the Free State, P.O. Box 339, Bloemfontein, 9300, South Africa

⁴Department of Physics, University of Pretoria, Pretoria, 0002, South Africa

⁵Department of Chemistry, University of Johannesburg, P.O. Box: 524, Auckland Park, 2006, South Africa

Journal of Luminescence (6 Citations)

Volume 200, August 2018, Pages 94-102 DOI: 10.1016/j.jlumin.2018.04.014 

Photoluminescence studies of green emitting BaB₈O₁₃: Bi³⁺ phosphors prepared by solution combustion method 

Lephoto M.A.¹, Tshabalala K.G.¹, Motloung S.J. ¹, Mhlongo G.H.², Ntwaeaborwa O.M³

¹Department of Physics, University of the Free State, Phuthaditjhaba, South Africa

²DST/CSIR National Centre for Nanostructured Materials, Council for Scientific and Industrial Research, Pretoria, South Africa

³School of Physics, University of the Witwatersrand, Wits, South Africa

Physica B: Condensed Matter (2 Citations)

Volume 535, 15 April 2018, Pages 211-215 DOI:10.1016/j.physb.2017.07.038 

Combustion synthesis and characterization of MV_0.5P_0.5O₄: Sm³⁺ Tm³⁺ (M = Gd, La, Y)

Motloung S.J¹, Lephoto M.A.¹, Tshabalala K.G. ¹, Ntwaeaborwa O.M.³

¹Department of Physics, University of the Free State, Phuthaditjhaba, South Africa

³School of Physics, University of the Witwatersrand, Wits, South Africa

Physica B: Condensed Matter (6 Citations)

Volume 535, 15 April 2018, Pages 89-95 DOI:10.1016/j.physb.2017.06.063 

Study on photoluminescence and energy transfer of Eu³⁺/Sm³⁺ single-doped and co-doped BaB₈O₁₃ phosphors 

Lephoto M.A.¹, Tshabalala K.G.¹, Motloung S.J. ¹, Ahemen I², O. M. Ntwaeaborwa³

¹Department of Physics, University of the Free State, Phuthaditjhaba, South Africa

²Department of Physics, University of Agriculture, Makurdi, Nigeria

³School of Physics, University of the Witwatersrand, Wits, South Africa

LUMINESCENCE: The Journal of Biological and Chemical Luminescence (8 Citations)

17 January 2017, Pages 1-8 I DOI 10.1002/bio.3295 

Tunable emission from LiBaBO3:Eu³⁺;Bi³⁺ phosphor for solid-state lighting 

M. A. Lephoto¹, K. G. Tshabalala¹, S. J. Motloung¹, S. K. K. Shaat², O. M. Ntwaeaborwa³

¹Department of Physics, University of the Free State, Phuthaditjhaba, South Africa

²Department of Physics, Islamic University, Gaza, Palestine

³School of Physics, University of the Witwatersrand, Wits, South Africa

Advanced Materials Letters

Online Publication Date, 21 Nov 2016 In Press DOI: 10.5185/amlett.2016.1405 

Combustion synthesis and characterization of Sm³⁺ and Tm³⁺ co-activated yttrium orthovanadate phosphate

Selepe Joel Motloung¹, Kamohelo George Tshabalala¹, Odireleng Martin Ntwaeaborwa²

¹Department of Physics, University of the Free State Qwa-Qwa Campus, Phuthaditjhaba, ZA 9866, South Africa

²School of Physics, University of the Witwatersrand, Private Bag x 3, Wits, 2050, South Africa

 Physica B: Condensed Matter (9 Citations)

 Volume 496, 01 September 2016, Pages 69-73

Phase transformations of high-purity PbI₂ nanoparticles synthesized from lead-acid accumulator anodes

TD Malevu¹, RO Ocaya¹, KG Tshabalala¹

¹Department of Physics, University of the Free State Qwa-Qwa Campus, Phuthaditjhaba, ZA 9866, South Africa 

 Applied Physics A :Materials Science and Processing (6 Citations)

 Volume 122, Issue 7, 01 July 2016, Pages 1-7 

Synthesis and characterization of high-quality PbI₂ nanopowders from depleted SLA accumulator anode and cathode

TD Malevu¹, RO Ocaya¹, KG Tshabalala¹, C Fernandez²

¹Department of Physics, University of the Free State Qwa-Qwa Campus, Phuthaditjhaba, ZA 9866, South Africa

²School of Pharmacy and Life Sciences, Robert Gordon University, Garthdee Road, Aberdeen AB10, UK

LUMINESCENCE: The Journal of Biological and Chemical Luminescence (6 Citations)

Volume 31, 7 January 2016, Pages 1069-1076 

Structure and photoluminescent properties of green-emitting terbium-doped GdV_1-xP_xO₄ phosphor prepared by solution combustion method

S. J. Motloung^1,*, S. K. K. Shaat², K. G. Tshabalala¹ and O. M. Ntwaeaborwa^3,* 

¹Department of Physics, University of the Free State Qwa-Qwa Campus, Phuthaditjhaba, ZA 9866, South Africa

²Department of Physics, Islamic University, Gaza Strip, Palestine

³Department of Physics, University of the Free State, Bloemfontein, ZA 9300, South Africa

ENTECH’15: III. International Energy Technologies Conference Proceedings

ISBN: 978-605-9207-20-1, December 2015, Pages 159-166

Effect of post-melt annealing on phase transformation in high-purity PBI₂ nanoparticles from lead-acid accumulator anodes

Thembinkosi Malevu^a, Richard Ocaya ^a, Kamohelo Tshabalala ^a

^aDepartment of Physics, University of the Free State Qwa-Qwa Campus, Phuthaditjhaba, ZA 9866, South Africa

Physica B: Condensed Matter (12 Citations)

Volume 407, Issue 10, 15 May 2012, Pages 1489-1492

Luminescence properties of Ce³⁺ and Tb³⁺ co-activated ZnAl₂O₄ phosphor

K.G. Tshabalala^a, S.-H. Cho ^b, J.-K. Park ^b, Shreyas S. Pitale^a, I.M. Nagpure^a, R.E. Kroon^a, H.C. Swart ^a,

O.M. Ntwaeaborwa^a

^aDepartment of Physics, University of the Free State, Bloemfontein, ZA 9300, South Africa

^bNano-Materials Center, Korea Institute of Science and Technology, Cheongryang 39-1 Hawolkok, Seoul 130-650, South Korea

Journal of Vacuum Science & Technology B (26 Citations)

Volume 30, Issue 3, March 2012, 6 Pages 031041

Enhanced green emission from UV down-converting Ce³⁺–Tb³⁺ co-activated ZnAl₂O₄ phosphor

K. G. Tshabalala¹, I. M. Nagpure¹, H. C. Swart¹, O. M. Ntwaeaborwa¹, S.-H. Cho², and J.-K. Park²

¹Department of Physics, University of the Free State, P. O. Box 339, Bloemfontein, ZA 9300, South Africa 

²Nano Materials Center, Korea Institute of Science and Technology, Cheongryang 39-1 Hawolkok, Seoul 136-791, South Korea

Materials Research Bulletin (10 Citation)

Volume 46, Issue 12, December 2011, Pages 2359-2366

Luminescence response and CL degradation of combustion synthesized spherical SiO₂:Ce nanophosphor

I.M. Nagpure , Shreyas S. Pitale, K.G. Tshabalala, Vinay Kumar, O.M. Ntwaeaborwa,

J.J. Terblans, H.C. Swart  

Department of Physics, University of the Free State, P. O. Box 339, Bloemfontein ZA9300, South Africa

Journal of Alloys and Compounds (78 Citations)

Volume 509, Issue 41, October 2011, Pages 10115-10120

Luminescent properties and X-ray photoelectron spectroscopy study of ZnAl₂O₄:Ce³⁺,Tb³⁺ phosphor 

K.G. Tshabalala^a, S.-H. Cho ^b, J.-K. Park ^b, Shreyas S. Pitale^a, I.M. Nagpure^a, R.E. Kroon^a, H.C. Swart ^a,

O.M. Ntwaeaborwa^a

^aDepartment of Physics, University of the Free State, Bloemfontein, ZA 9300, South Africa

^bNano-Materials Center, Korea Institute of Science and Technology, Cheongryang 39-1 Hawolkok, Seoul 130-650, South Korea 

Journal of Physics and Chemistry of Solids

Volume 71, Issue 3, March 2010, Pages 181-186

Magnetic substitution in CeIn₃

 Moise Bertin Tchoula Tchokonté^a, Kamohelo George Tshabalala ^a, Paul de Villers du Plessis^b,c and Dariusz Kaczoroski ^d

^aDepartment of Physics, University of the Western Cape, Private Bag X 17, Bellville 7535, South Africa

^bDepartment of Physics, University of Johannesburg, PO Box 524, Auckland Park 2006, South Korea

^cSchool of Physics, University of Witwatersrand, Private Bag 3, PO Wits 2050, Johannesburg, South Korea

^dInstitute of Low Temperature and Structured Research, Polish Academy of Sciences, PO Box 1410, 50-950, WrocLaw Poland