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1

The effects of substrate temperature on the structure, morphology and photoluminescence properties of pulsed laser deposited SrAl2O4:Eu2+,Dy3+ thin films

O.M. Ntwaeaborwa, P.D. Nsimama, J.T. Abiade, E. Coetsee, H.C Swart

Journal:

Physica B: Condensed Matter

Year:

2009

Language:

english

File:

PDF, 489 KB

english, 2009

2

Potential of Sr4Al14O25: Eu2+,Dy3+inorganic oxide-based nanophosphor in Latent fingermark detection

Sharma, Vishal, Das, Amrita, Kumar, Vinay, Ntwaeaborwa, O. M., Swart, H. C.

Journal:

Journal of Materials Science

Year:

2014

Language:

english

File:

PDF, 2.32 MB

english, 2014

3

Photoluminescence and thermoluminescence properties of Pr3+ doped ZnTa2O6 phosphor

Noto, L.L., Chitambo, M.L., Ntwaeaborwa, O.M., Swart, H.C.

Journal:

Powder Technology

Year:

2013

Language:

english

File:

PDF, 631 KB

english, 2013

4

The role of oxygen and titanium related defects on the emission of TiO2:Tb3+ nano-phosphor for blue lighting applications

Kumar, Vinod, Ntwaeaborwa, O.M., Holsa, J., Motaung, D.E., Swart, H.C.

Journal:

Optical Materials

Year:

2015

Language:

english

File:

PDF, 1.00 MB

english, 2015

5

The Effects of Cd2+Concentration on the Structure, Optical and Luminescence Properties of MgAl2O4:x% Cd2+(0

Motloung, S. V., Dejene, F. B., Sithole, M. E., Koao, L. F., Ntwaeaborwa, O. M., Swart, H. C., Motaung, T. E.

Journal:

Journal of Electronic Materials

Year:

2016

Language:

english

File:

PDF, 2.32 MB

english, 2016

6

The influence of Dy3+ ions concentration and annealing on the properties of LaGdSiO5:Dy3+ nanophosphors

Ogugua, Simon N., Shaat, Samy K.K., Swart, Hendrik C., Ntwaeaborwa, Odireleng M.

Journal:

Journal of Luminescence

Year:

2016

Language:

english

File:

PDF, 1.70 MB

english, 2016

7

nanocrystals synthesized using sol-gel process

Motloung, S.V., Dejene, B.F., Ntwaeaborwa, O.M., Swart, H.C., Kroon, R.E.

Journal:

Chemical Physics

Year:

2017

Language:

english

File:

PDF, 6.29 MB

english, 2017

8

The influence of post-preparation annealing atmospheres on the optical properties and energy transfer between Pr 3+ and Dy 3+ in mixed lanthanum-yttrium oxyorthosilicate hosts

Ogugua, Simon N., Swart, Hendrik C., Ntwaeaborwa, Odireleng M.

Journal:

Optical Materials

Year:

2018

Language:

english

File:

PDF, 6.12 MB

english, 2018

9

Photoluminescence and cathodoluminescence of spin coated ZnO films with different concentration of Eu3+ ions

Hasabeldaim, E.H.H., Ntwaeaborwa, O.M., Kroon, R.E., Coetsee, E., Swart, H.C.

Journal:

Year:

2019

Language:

english

File:

PDF, 14.14 MB

english, 2019

10

Effect of oxygen partial pressure during pulsed laser deposition on the emission of Eu doped ZnO thin films

Kumar, Vinod, Ntwaeaborwa, O.M., Swart, H.C.

Journal:

Physica B: Condensed Matter

Year:

2020

Language:

english

File:

PDF, 919 KB

english, 2020

11

ChemInform Abstract: Luminescence Investigations of Ce3+ Doped CaS Nanophosphors.

Vinay Kumar, Shreyas S. Pitale, Varun Mishra, I. M. Nagpure, M. M. Biggs, O. M. Ntwaeaborwa, H. C. Swart

Journal:

Year:

2010

File:

PDF, 16 KB

2010

12

ChemInform Abstract: Combustion Synthesis and Luminescence Investigation of Na3Al2(PO4)3:RE (RE: Ce3+, Eu3+ and Mn2+) Phosphor.

I. M. Nagpure, K. N. Shinde, Vinay Kumar, O. M. Ntwaeaborwa, S. J. Dhoble, H. C. Swart

Journal:

Year:

2010

Language:

english

File:

PDF, 17 KB

english, 2010

13

Luminescence characterization and electron beam induced chemical changes on the surface of ZnAl2O4:Mn nanocrystalline phosphor

Shreyas S. Pitale, Vinay Kumar, I.M. Nagpure, O.M. Ntwaeaborwa, H.C. Swart

Journal:

Applied Surface Science

Year:

2011

Language:

english

File:

PDF, 1.32 MB

english, 2011

14

Photon emission mechanisms of different phosphors

H.C. Swart, J.J. Terblans, O.M. Ntwaeaborwa, E. Coetsee, B.M. Mothudi, M.S. Dhlamini

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

2009

Language:

english

File:

PDF, 396 KB

english, 2009

15

Dependence of photoluminescence (PL) emission intensity on Eu3+ and ZnO concentrations in Y2O3:Eu3+ and ZnO·Y2O3:Eu3+ nanophosphors

G.H. Mhlongo, M.S. Dhlamini, H.C. Swart, O.M. Ntwaeaborwa, K.T. Hillie

Journal:

Optical Materials

Year:

2011

Language:

english

File:

PDF, 566 KB

english, 2011

16

Luminescent mechanism of Y2SiO5:Ce phosphor powder

E. Coetsee, J.J. Terblans, O.M. Ntwaeaborwa, H.C. Swart

Journal:

Physica B: Condensed Matter

Year:

2009

Language:

english

File:

PDF, 263 KB

english, 2009

17

The influence of the number of pulses on the morphological and photoluminescence properties of SrAl2O4:Eu2+,Dy3+ thin films prepared by pulsed laser deposition

P.D. Nsimama, O.M. Ntwaeaborwa, E. Coetsee, H.C. Swart

Journal:

Physica B: Condensed Matter

Year:

2009

Language:

english

File:

PDF, 276 KB

english, 2009

18

Sensitized luminescence through nanoscopic effects of ZnO encapsulated in SiO2:Tb3+ sol gel derived phosphor

M.S. Dhlamini, O.M. Ntwaeaborwa, H.C. Swart, J.M. Ngaruiya, K.T. Hillie

Journal:

Physica B: Condensed Matter

Year:

2009

Language:

english

File:

PDF, 461 KB

english, 2009

19

Photoluminescence and phosphorescence properties of MAl2O4:Eu2+, Dy3+ (M=Ca, Ba, Sr) phosphors prepared at an initiating combustion temperature of 500 °C

B.M. Mothudi, O.M. Ntwaeaborwa, J.R. Botha, H.C. Swart

Journal:

Physica B: Condensed Matter

Year:

2009

Language:

english

File:

PDF, 385 KB

english, 2009

20

Characterization and luminescent properties of SiO2:ZnS:Mn2+ and ZnS:Mn2+ nanophosphors synthesized by a sol–gel method

M.M. Biggs, O.M. Ntwaeaborwa, J.J. Terblans, H.C. Swart

Journal:

Physica B: Condensed Matter

Year:

2009

Language:

english

File:

PDF, 504 KB

english, 2009

21

Electron beam induced green luminescence and degradation study of CaS:Ce nanocrystalline phosphors for FED applications

Vinay Kumar, Varun Mishra, M.M. Biggs, I.M. Nagpure, O.M. Ntwaeaborwa, J.J. Terblans, H.C. Swart

Journal:

Applied Surface Science

Year:

2010

Language:

english

File:

PDF, 841 KB

english, 2010

22

Auger electron/X-ray photoelectron and cathodoluminescent spectroscopic studies of pulsed laser ablated SrAl2O4:Eu2+,Dy3+ thin films

P.D. Nsimama, O.M. Ntwaeaborwa, H.C. Swart

Journal:

Applied Surface Science

Year:

2010

Language:

english

File:

PDF, 598 KB

english, 2010

23

Photoluminescence properties of powder and pulsed laser-deposited PbS nanoparticles in SiO2

M.S. Dhlamini, J.J. Terblans, O.M. Ntwaeaborwa, J.M. Ngaruiya, K.T. Hillie, J.R. Botha, H.C. Swart

Journal:

Journal of Luminescence

Year:

2008

Language:

english

File:

PDF, 815 KB

english, 2008

24

The effect of different gas atmospheres on luminescent properties of pulsed laser ablated SrAl2O4:Eu2+,Dy3+ thinfilms

P.D. Nsimama, O.M. Ntwaeaborwa, H.C. Swart

Journal:

Journal of Luminescence

Year:

2011

Language:

english

File:

PDF, 715 KB

english, 2011

25

Enhanced luminescence and degradation of SiO2:Ce,Tb powder phosphors prepared by a sol–gel process

O.M. Ntwaeaborwa, H.C. Swart, R.E. Kroon, P.H. Holloway, J.R. Botha

Journal:

Journal of Physics and Chemistry of Solids

Year:

2006

Language:

english

File:

PDF, 337 KB

english, 2006

26

Thermoluminescence response of CaS:Bi3+ nanophosphor exposed to 200 MeV Ag+15 ion beam

Vinay Kumar, H.C. Swart, O.M. Ntwaeaborwa, Ravi Kumar, S.P. Lochab, Varun Mishra, Nafa Singh

Journal:

Optical Materials

Year:

2009

Language:

english

File:

PDF, 375 KB

english, 2009

27

Degradation of Y2O3:Eu phosphor powders

O. M. Ntwaeaborwa, K. T. Hillie, H. C. Swart

Journal:

physica status solidi (c)

Year:

2004

Language:

english

File:

PDF, 84 KB

english, 2004

28

Degradation of commercial Gd2O2S:Tb phosphor

J. J. Dolo, H. C. Swart, J. J. Terblans, E. Coetsee, M. S. Dhlamini, O. M. Ntwaeaborwa, B. F. Dejene

Journal:

physica status solidi (c)

Year:

2008

Language:

english

File:

PDF, 475 KB

english, 2008

29

Preparations and luminescent properties of PbS nanoparticle phosphors incorporated in a SiO2 matrix

M. S. Dhlamini, J. J. Terblans, O. M. Ntwaeaborwa, H. D. Joubert, H. C. Swart

Journal:

physica status solidi (c)

Year:

2008

Language:

english

File:

PDF, 308 KB

english, 2008

30

Characterization of sol-gel SiO2:Ce,Tb powder and pulsed laser deposited thin film phosphors

O. M. Ntwaeaborwa, M. S. Dhlamini, R. A. Harris, J. R. Botha, U. Buttner, H. C. Swart

Journal:

physica status solidi (c)

Year:

2008

Language:

english

File:

PDF, 337 KB

english, 2008

31

Photoluminescence of cerium–europium co-doped SiO2 phosphor prepared by a sol–gel process

O. M. Ntwaeaborwa, H. C. Swart, R. E. Kroon, P. H. Holloway, J. R. Botha

Journal:

Surface and Interface Analysis

Year:

2006

Language:

english

File:

PDF, 150 KB

english, 2006

32

Auger electron spectroscopy and X-ray photoelectron spectroscopy study of the electron-stimulated surface chemical reaction mechanism for phosphor degradation

H. C. Swart, J. J. Terblans, E. Coetsee, Vinay Kumar, O. M. Ntwaeaborwa, M. S. Dhlamini, J. J. Dolo

Journal:

Surface and Interface Analysis

Year:

2010

Language:

english

File:

PDF, 304 KB

english, 2010

33

Cathodoluminescence degradation of PLD thin films

H. C. Swart, E. Coetsee, J. J. Terblans, O. M. Ntwaeaborwa, P. D. Nsimama, F. B. Dejene, J. J. Dolo

Journal:

Applied Physics A: Materials Science & Processing

Year:

2010

Language:

english

File:

PDF, 757 KB

english, 2010

34

The effect of oxygen pressure on the structure, morphology and

J. J. Dolo, O. M. Ntwaeaborwa, J. J. Terblans, E. Coetsee, B. F. Dejene, M.-M. Biggs, H. C. Swart

Journal:

Applied Physics A: Materials Science & Processing

Year:

2010

Language:

english

File:

PDF, 414 KB

english, 2010

35

XPS analysis and luminescence properties of thin films deposited by the pulsed laser deposition technique

J. J. Dolo, H. C. Swart, E. Coetsee, J. J. Terblans, O. M. Ntwaeaborwa, B. F. Dejene

Journal:

Hyperfine Interactions

Year:

2010

Language:

english

File:

PDF, 266 KB

english, 2010

36

Cathodoluminescence properties of SiO2:Pr3+and ZnO·SiO2:Pr3+phosphor nanopowders

G. H. Mhlongo, O. M. Ntwaeaborwa, M. S. Dhlamini, H. C. Swart, K. T. Hillie

Journal:

Journal of Materials Science

Year:

2010

Language:

english

File:

PDF, 1.28 MB

english, 2010

37

Luminescence investigations on LiAl5O8:Tb3+ nanocrystalline phosphors

Shreyas S. Pitale, Vinay Kumar, Indrajit Nagpure, O.M. Ntwaeaborwa, H.C. Swart

Journal:

Current Applied Physics

Year:

2011

Language:

english

File:

PDF, 897 KB

english, 2011

38

Ex situ synthesis and optical properties of ZnO–PbS nanocomposites

O.M. Ntwaeaborwa, R.E. Kroon, V. Kumar, T. Dubroca, J.-P. Ahn, J.-K. Park, H.C. Swart

Journal:

Journal of Physics and Chemistry of Solids

Year:

2009

Language:

english

File:

PDF, 519 KB

english, 2009

39

Characterization of Y2SiO5:Ce thin films

E. Coetsee, H.C. Swart, J.J. Terblans, O.M. Ntwaeaborwa, K.T. Hillie, W.A. Jordaan, U. Buttner

Journal:

Optical Materials

Year:

2007

Language:

english

File:

PDF, 903 KB

english, 2007

40

Investigations on the low voltage cathodoluminescence stability and surface chemical behaviour using Auger and X-ray photoelectron spectroscopy on LiSrBO3:Sm3+ phosphor

Shreyas S. Pitale, I.M. Nagpure, Vinay Kumar, O.M. Ntwaeaborwa, J.J. Terblans, H.C. Swart

Journal:

Materials Research Bulletin

Year:

2011

Language:

english

File:

PDF, 951 KB

english, 2011

41

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

Journal:

Materials Research Bulletin

Year:

2011

Language:

english

File:

PDF, 1.91 MB

english, 2011

42

Resolution of Eu2+ asymmetrical emission peak of SrAl2O4:Eu2+, Dy3+ phosphor by cathodoluminescence measurements

J.M. Ngaruiya, S. Nieuwoudt, O.M. Ntwaeaborwa, J.J. Terblans, H.C. Swart

Journal:

Materials Letters

Year:

2008

Language:

english

File:

PDF, 259 KB

english, 2008

43

Synthesis of Ce3+ doped SrS nanocrystalline phosphors using a simple aqueous method

Vinay Kumar, Shreyas S. Pitale, M.M. Biggs, I.M. Nagpure, O.M. Ntwaeaborwa, H.C. Swart

Journal:

Materials Letters

Year:

2010

Language:

english

File:

PDF, 461 KB

english, 2010

44

The cathodoluminescence degradation and surface characterization of β-Ca3(PO4)2:Tb phosphor

I.M. Nagpure, Shreyas S. Pitale, E. Coetsee, O.M. Ntwaeaborwa, J.J. Terblans, H.C. Swart

Journal:

Optical Materials

Year:

2012

Language:

english

File:

PDF, 1.69 MB

english, 2012

45

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

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

Journal:

Physica B: Condensed Matter

Year:

2012

Language:

english

File:

PDF, 713 KB

english, 2012

46

UV exposure and photon degradation of Alq3 powders

M.M. Duvenhage, O.M. Ntwaeaborwa, H.C. Swart

Journal:

Physica B: Condensed Matter

Year:

2012

Language:

english

File:

PDF, 456 KB

english, 2012

47

X-ray photoelectron spectroscopy analysis for undegraded and degraded Gd2O2S:Tb3+ phosphor thin films

J.J. Dolo, H.C. Swart, J.J. Terblans, E. Coetsee, O.M. Ntwaeaborwa, B.F. Dejene

Journal:

Physica B: Condensed Matter

Year:

2012

Language:

english

File:

PDF, 637 KB

english, 2012

48

Thermoluminescent and stuctural properties of BaAl2O4:Eu2+,Nd3+,Gd3+phosphors prepared by combustion method

B.M. Mothudi, M.A. Lephoto, O.M. Ntwaeaborwa, J.R. Botha, H.C. Swart

Journal:

Physica B: Condensed Matter

Year:

2012

Language:

english

File:

PDF, 864 KB

english, 2012

49

A comparative study on structural, morphological and luminescence characteristics of Zn3(VO4)2 phosphor prepared via hydrothermal and citrate-gel combustion routes

Shreyas S. Pitale, Mukut Gohain, I.M. Nagpure, O.M. Ntwaeaborwa, Barend C.B. Bezuidenhoudt, H.C. Swart

Journal:

Physica B: Condensed Matter

Year:

2012

Language:

english

File:

PDF, 634 KB

english, 2012

50

PL and CL degradation and characteristics of SrAl2O4: Eu2+,Dy3+ phosphors

H.C. Swart, J.J. Terblans, O.M. Ntwaeaborwa, R.E. Kroon, B.M. Mothudi

Journal:

Physica B: Condensed Matter

Year:

2012

Language:

english

File:

PDF, 548 KB

english, 2012

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