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. Musembi1,2 · F. B. Dejene1 · I. Ahemen1,3 · 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. Musembi1,2 · F. B. Dejene1 · I. Ahemen1,3 · 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.Mc ,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. Malevua,*, B.S. Mwankemwac,b, S.V. Motloungd, K.G. Tshabalalae, R.O. Ocayae
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 MV0.5P0.5O4: 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 GdV1-xPxO4 phosphor prepared by solution combustion method
S. J. Motloung1,*, S. K. K. Shaat2, K. G. Tshabalala1 and O. M. Ntwaeaborwa3,*
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 Malevua, 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. Tshabalalaa, S.-H. Cho b, J.-K. Park b, Shreyas S. Pitalea, I.M. Nagpurea, R.E. Kroona, H.C. Swart a,
O.M. Ntwaeaborwaa
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. Tshabalalaa, S.-H. Cho b, J.-K. Park b, Shreyas S. Pitalea, I.M. Nagpurea, R.E. Kroona, H.C. Swart a,
O.M. Ntwaeaborwaa
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 Tchokontéa, Kamohelo George Tshabalala a, Paul de Villers du Plessisb,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