Near-white-emitting phosphors based on tungstate for phosphor-converted light-emitting diodes

Applied Optics

Volumn 52, Issue 35, 2013, Pages 8424-8431

  Ambast, A K ^a   Kunti, A K ^a   Som, S ^a   Sharma, S K ^a  

^a INDIAN SCHOOL OF MINES   (India)

Author keywords

[No Author keywords available]

Indexed keywords

BARIUM; EMISSION SPECTROSCOPY; LIGHT EMISSION; PHOSPHORS; SOLID STATE REACTIONS; TUNGSTEN COMPOUNDS; X RAY DIFFRACTION;

DOPING CONCENTRATION; PHOTOLUMINESCENCE PROPERTIES; SOLID STATE REACTION METHOD; SPACE GROUPS; SYSTEMATIC EFFECTS; WHITE EMISSIONS; WHITE EMITTING PHOSPHORS; X-RAY DIFFRACTION STUDIES;

LIGHT EMITTING DIODES;

EID: 84890509381     PISSN: 1559128X     EISSN: 15394522     Source Type: Journal    
DOI: 10.1364/AO.52.008424     Document Type: Article

References (22)

1. A. Potdevin, G. Chadeyron, and R. Mahiou, Tb3+ doped yttrium garnets: Promising tunable green phosphors for solid-State lighting Chem. Phy. Lett. 490, 50-53 (2010).
2. S. Dutta, S. Som, and S. K. Sharma, Luminescence and photometric characterization of K+ compensated CaMoO4:Dy3+ nanophosphors Dalton Trans. 42, 9654-9661 (2013).
3. R. Yu, J.Wang, M. Zhang, J. Zhang, H. Yuan, and Q. Su, A new blue emitting phosphor of Ce3+ activated CaLaGa3S6O for white light emitting diodes Chem. Phys. Lett. 453, 197-201 (2008).
4. N. V. Pillai, V. P. M. Pillai, R. Vinodkumar, I. Navas, V. Ganesan, and P. Koshy, Influence of Europium oxide doping on the structural and optical properties of pulsed laser ablated barium tungstate thin films J. Alloys Compd. 509, 2745- 2752 (2011).
5. P. Babu, K. H. Jang, E. S. Kim, L. Shi, H. J. Seo, F. R. López, U. R. R. Mendoza, V. Lavín, R. Vijaya, C. K. Jayasankar, and L. R. Moorthy, Spectral investigations on Dy3+ doped transparent oxyfluoride glasses and nanocrystalline glass ceramics J. Appl. Phys. 105, 013516 (2009).
6. S. Som, S. K. Sharma, and S. P. Lochab, Ion induced modification of bandgap and CIE parameters in Y2O3:Dy3+ phosphor Ceram. Int. 39, 7693-7701 (2013).
7. M. V. Nazarova, D. Y. Jeona, J. H. Kanga, E. J. Popovici, L. E. Muresan, M. V. Zamoryanskaya, and B. S. Tsukerblat, Luminescence properties of europium-Terbium double activated calcium tungstate phosphor Solid State Commun. 131, 307-311 (2004).
8. S. Som, S. K. Sharma, and S. P. Lochab, Morphology, ion impact, and kinetic parameters of swift heavy ion induced Y2O3:Dy3+phosphor Phys. Status Solidi A 210, 1624-1635 (2013).
9. X. Liu,W. Xiang, F. Chen, Z. Hu, andW. Zhang, Synthesis and photoluminescence characteristics of Dy3+ doped NaY(WO4)2 phosphors Mater. Res. Bull. 48, 281-285 (2013).
10. S. Som and S. K. Sharma, Eu3+/Tb3+-Codoped Y2O3nanophosphors: Rietveld refinement, bandgap and photoluminescence optimization J. Phys. D 45, 415102 (2012).
11. F. D. Morrison, A. M. Coats, D. C. Sinclair, and A. R. West, Charge compensation mechanisms in La-Doped BaTiO3 J. Electroceram. 6, 219-232 (2001).
12. B. Liu, Y. Wang, J. Zhou, F. Zhang, and Z. Wang, The reduction of Eu3+ to Eu2+ in BaMgAl10O17: Eu and the photoluminescence properties of BaMgAl10 O17:Eu2+ phosphor J. Appl. Phys. 106, 053102 (2009).
13. J. S. Kumar, K. Pavani, A. M. Babu, N. K. Giri, S. B. Rai, and L. R. Moorthy, Fluorescence characteristics of Dy3+ions in calcium fluoroborate glasses J. Lumin. 130, 1916-1923 (2010).
14. X. Feng, S. Tanabe, and T. Hanada, Spectroscopic properties of erbium-Doped ultraphosphate glasses for 1.5 m amplification J. Appl. Phys. 89, 3560-3566 (2001).
15. W. González, E. Álvarez, G. C. Righini, and U. Caldiño, New yellowish-Green light emitting thin film: 89Al2O3• 5CeCl3•3EuCl3•3TbCl3 Opt. Mater. 35, 1304-1309 (2013).
16. M. F. Joubert, A. Remillieux, B. Jacquier, J. Mugnier, B. Boulard, O. Perrot, and C. Jacoboni, Infrared to visible conversion in rare-Earth-Doped planar waveguides J. Non-Cryst. Solids 184, 341-345 (1995).
17. C.-H. Huang and T.-M. Chen, Ultraviolet light induced white light emission in Ag and Eu3+ co-Doped oxyfluoride glasses Opt. Express 18, 5089-5094 (2010).
18. C. S. McCamy, Correlated color temperature as an explicit function of chromaticity coordinates Color Res. Appl. 17, 142-144 (1992).
19. C. Lorbeer and A. V. Mudring, White-Light-Emitting single phosphors via triply doped LaF3 nanoparticles J. Phys. Chem. C 117, 12229-12238 (2013).
20. http://www.hunterlab.com/appnotes/an05-05.pdf.
21. S. H. Lee, J. H. Park, S. M. Son, and J. S. Kim, White light emitting phosphor: CaMgSi2O6:Eu2+, Mn2+ and its related properties with blending Appl. Phys. Lett. 89, 221916 (2006).
22. T. W. Murphy, Jr., Maximum spectral luminous efficacy of white light J. Appl. Phys. 111, 104909 (2012).