Enriching red emission of Y3Al5O12: Ce3+ by codoping Pr3+ and Cr3+ for improving color rendering of white LEDs

doi:10.1364/OE.18.025177

Enriching red emission of Y₃Al₅O₁₂: Ce³⁺ by codoping Pr³⁺ and Cr³⁺ for improving color rendering of white LEDs

Lei Wang, Xia Zhang, Zhendong Hao, Yongshi Luo, Xiao-jun Wang, and Jiahua Zhang »View Author Affiliations

Optics Express, Vol. 18, Issue 24, pp. 25177-25182 (2010)
http://dx.doi.org/10.1364/OE.18.025177

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Abstract

Triply doped Y₃Al₅O₁₂: Ce³⁺, Pr³⁺, Cr³⁺ phosphors are prepared by solid state reaction. The emission spectra are enriched in the red region with the luminescence of both Pr³⁺ and Cr³⁺ through Ce³⁺→Cr³⁺ and Ce³⁺→Pr³⁺→Cr³⁺ energy transfers. The properties of photoluminescence and fluorescence decay indicates larger macroscopic Ce³⁺→Cr³⁺ transfer rates in the triply doped phosphors in comparison to Ce³⁺ and Cr³⁺ doubly doped one, reflecting the effect of competition between Ce³⁺→Cr³⁺ and Ce³⁺→Pr³⁺ transfers. White LEDs fabricated using the triply doped phosphor coated on blue LED chips show a color rendering index of 81.4 higher than that either using Ce³⁺ and Cr³⁺ doubly doped or Ce³⁺ singly doped phosphor.

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(230.3670) Optical devices : Light-emitting diodes
(250.5230) Optoelectronics : Photoluminescence
(260.2160) Physical optics : Energy transfer

ToC Category:
Optical Devices

History
Original Manuscript: September 8, 2010
Revised Manuscript: October 24, 2010
Manuscript Accepted: October 28, 2010
Published: November 17, 2010

Citation
Lei Wang, Xia Zhang, Zhendong Hao, Yongshi Luo, Xiao-jun Wang, and Jiahua Zhang, "Enriching red emission of Y₃Al₅O₁₂: Ce³⁺ by codoping Pr³⁺ and Cr³⁺ for improving color rendering of white LEDs," Opt. Express 18, 25177-25182 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-24-25177

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References

J. K. Kim and E. F. Schubert, “Transcending the replacement paradigm of solid-state lighting,” Opt. Express 16(26), 21835–21842 (2008). [CrossRef] [PubMed]
J. R. Oh, S. H. Cho, Y. H. Lee, and Y. R. Do, “Enhanced forward efficiency of Y3Al5O12:Ce3+ phosphor from white light-emitting diodes using blue-pass yellow-reflection filter,” Opt. Express 17(9), 7450–7457 (2009). [CrossRef] [PubMed]
R. Mueller-Mach, G. O. Mueller, M. R. Krames, and T. Trottier, “High-Power Phosphor-Converted Light-Emitting Diodes Based on III-Nitrides,” IEEE J. Sel. Top. Quantum Electron. 8(2), 339–345 (2002). [CrossRef]
H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y 3 Al 5 O 12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007). [CrossRef]
H. H. Yang and Y. S. Kim, “Energy transfer-based spectral properties of Tb-, Pr-, or Sm-codoped YAG:Ce nanocrystalline phosphors,” J. Lumin. 128(10), 1570–1576 (2008). [CrossRef]
Y. Pan, M. Wu, and Q. Su, “Tailored photoluminescence of YAG:Ce phosphor through various methods,” Phys. Chem. Solids 65(5), 845–850 (2004). [CrossRef]
W. Wang, J. Tang, S. T. V. Hsu, J. Wang, and B. P. Sullivan, “Energy transfer and enriched emission spectrum in Cr and Ce co-doped Y3Al5O12 yellow phosphors,” Chem. Phys. Lett. 457(1-3), 103–105 (2008). [CrossRef]
K. M. Kinsman, J. McKittrick, E. Sluzky, and K. Hesse, “Phase Development and Luminescence in Chromium-Doped Yttrium Aluminum Garnet (YAG:Cr) Phosphors,” J. Am. Ceram. Soc. 77(11), 2866–2872 (1994). [CrossRef]
G. G. Özen, O. Forte, and B. Di Bartolo, “Down-conversion and upconversion dynamics in Pr-doped Y3Al5O12 crystals,” J. Appl. Phys. 97(1), 013510 (2005). [CrossRef]
G. G. Özen, O. Forte, and B. Di Bartolo, “Upconversion dynamics in Pr-doped YAlO3 and Y3Al5O12 laser crystals,” Opt. Mater. 27(11), 1664–1671 (2005). [CrossRef]
M. Malinowski, P. Szczepanski, W. Woliñski, R. Wolski, and Z. Frukacz, “Inhomogeneity study of Pr3+-doped yttrium aluminium garnet using time-resolved spectroscopy,” J. Phys. Condens. Matter 5(35), 6469–6482 (1993). [CrossRef]
Y. R. Shen and K. L. Bray, “Effect of pressure and temperature on the lifetime of Cr3+ in yttrium aluminum garnet,” Phys. Rev. B 56(17), 10882–10891 (1997). [CrossRef]
W. W. Jia, H. Liu, S. Jaffe, W. M. Yen, and B. Denker, “Spectroscopy of Cr3+ and Cr+4 ions in forsterite,” Phys. Rev. B 43(7), 5234–5242 (1991). [CrossRef]

Bray, K. L.
Cho, S. H.
Denker, B.
Di Bartolo, B.
Do, Y. R.
Forte, O.
Frukacz, Z.
Hesse, K.
Hsu, S. T. V.
Im, W. B.
Jaffe, S.
Jang, H. S.
Jeon, D. Y.
Jia, W. W.
Kim, J. K.
Kim, S. S.
Kim, Y. S.
Kinsman, K. M.
Krames, M. R.
Lee, D. C.
Lee, Y. H.
Liu, H.
Malinowski, M.
McKittrick, J.
Mueller, G. O.
Mueller-Mach, R.
Oh, J. R.
Özen, G. G.
Pan, Y.
Schubert, E. F.
Shen, Y. R.
Sluzky, E.
Su, Q.
Sullivan, B. P.
Szczepanski, P.
Tang, J.
Trottier, T.
Wang, J.
Wang, W.
Woliñski, W.
Wolski, R.
Wu, M.
Yang, H. H.
Yen, W. M.

Chem. Phys. Lett.

W. Wang, J. Tang, S. T. V. Hsu, J. Wang, and B. P. Sullivan, “Energy transfer and enriched emission spectrum in Cr and Ce co-doped Y3Al5O12 yellow phosphors,” Chem. Phys. Lett. 457(1-3), 103–105 (2008). [CrossRef]

IEEE J. Sel. Top. Quantum Electron.

R. Mueller-Mach, G. O. Mueller, M. R. Krames, and T. Trottier, “High-Power Phosphor-Converted Light-Emitting Diodes Based on III-Nitrides,” IEEE J. Sel. Top. Quantum Electron. 8(2), 339–345 (2002). [CrossRef]

J. Am. Ceram. Soc.

K. M. Kinsman, J. McKittrick, E. Sluzky, and K. Hesse, “Phase Development and Luminescence in Chromium-Doped Yttrium Aluminum Garnet (YAG:Cr) Phosphors,” J. Am. Ceram. Soc. 77(11), 2866–2872 (1994). [CrossRef]

J. Appl. Phys.

G. G. Özen, O. Forte, and B. Di Bartolo, “Down-conversion and upconversion dynamics in Pr-doped Y3Al5O12 crystals,” J. Appl. Phys. 97(1), 013510 (2005). [CrossRef]

J. Lumin.

H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y 3 Al 5 O 12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007). [CrossRef]
H. H. Yang and Y. S. Kim, “Energy transfer-based spectral properties of Tb-, Pr-, or Sm-codoped YAG:Ce nanocrystalline phosphors,” J. Lumin. 128(10), 1570–1576 (2008). [CrossRef]

J. Phys. Condens. Matter

M. Malinowski, P. Szczepanski, W. Woliñski, R. Wolski, and Z. Frukacz, “Inhomogeneity study of Pr3+-doped yttrium aluminium garnet using time-resolved spectroscopy,” J. Phys. Condens. Matter 5(35), 6469–6482 (1993). [CrossRef]

Opt. Express

Opt. Mater.

G. G. Özen, O. Forte, and B. Di Bartolo, “Upconversion dynamics in Pr-doped YAlO3 and Y3Al5O12 laser crystals,” Opt. Mater. 27(11), 1664–1671 (2005). [CrossRef]

Phys. Chem. Solids

Y. Pan, M. Wu, and Q. Su, “Tailored photoluminescence of YAG:Ce phosphor through various methods,” Phys. Chem. Solids 65(5), 845–850 (2004). [CrossRef]

Phys. Rev. B

Y. R. Shen and K. L. Bray, “Effect of pressure and temperature on the lifetime of Cr3+ in yttrium aluminum garnet,” Phys. Rev. B 56(17), 10882–10891 (1997). [CrossRef]
W. W. Jia, H. Liu, S. Jaffe, W. M. Yen, and B. Denker, “Spectroscopy of Cr3+ and Cr+4 ions in forsterite,” Phys. Rev. B 43(7), 5234–5242 (1991). [CrossRef]

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[1] J. K. Kim and E. F. Schubert, “Transcending the replacement paradigm of solid-state lighting,” Opt. Express 16(26), 21835–21842 (2008). [CrossRef] [PubMed]

[2] J. R. Oh, S. H. Cho, Y. H. Lee, and Y. R. Do, “Enhanced forward efficiency of Y3Al5O12:Ce3+ phosphor from white light-emitting diodes using blue-pass yellow-reflection filter,” Opt. Express 17(9), 7450–7457 (2009). [CrossRef] [PubMed]

[3] R. Mueller-Mach, G. O. Mueller, M. R. Krames, and T. Trottier, “High-Power Phosphor-Converted Light-Emitting Diodes Based on III-Nitrides,” IEEE J. Sel. Top. Quantum Electron. 8(2), 339–345 (2002). [CrossRef]

[4] H. S. Jang, W. B. Im, D. C. Lee, D. Y. Jeon, and S. S. Kim, “Enhancement of red spectral emission intensity of Y 3 Al 5 O 12:Ce3+ phosphor via Pr co-doping and Tb substitution for the application to white LEDs,” J. Lumin. 126(2), 371–377 (2007). [CrossRef]

[5] H. H. Yang and Y. S. Kim, “Energy transfer-based spectral properties of Tb-, Pr-, or Sm-codoped YAG:Ce nanocrystalline phosphors,” J. Lumin. 128(10), 1570–1576 (2008). [CrossRef]

[6] Y. Pan, M. Wu, and Q. Su, “Tailored photoluminescence of YAG:Ce phosphor through various methods,” Phys. Chem. Solids 65(5), 845–850 (2004). [CrossRef]

[7] W. Wang, J. Tang, S. T. V. Hsu, J. Wang, and B. P. Sullivan, “Energy transfer and enriched emission spectrum in Cr and Ce co-doped Y3Al5O12 yellow phosphors,” Chem. Phys. Lett. 457(1-3), 103–105 (2008). [CrossRef]

[8] K. M. Kinsman, J. McKittrick, E. Sluzky, and K. Hesse, “Phase Development and Luminescence in Chromium-Doped Yttrium Aluminum Garnet (YAG:Cr) Phosphors,” J. Am. Ceram. Soc. 77(11), 2866–2872 (1994). [CrossRef]

[9] G. G. Özen, O. Forte, and B. Di Bartolo, “Down-conversion and upconversion dynamics in Pr-doped Y3Al5O12 crystals,” J. Appl. Phys. 97(1), 013510 (2005). [CrossRef]

[10] G. G. Özen, O. Forte, and B. Di Bartolo, “Upconversion dynamics in Pr-doped YAlO3 and Y3Al5O12 laser crystals,” Opt. Mater. 27(11), 1664–1671 (2005). [CrossRef]

[11] M. Malinowski, P. Szczepanski, W. Woliñski, R. Wolski, and Z. Frukacz, “Inhomogeneity study of Pr3+-doped yttrium aluminium garnet using time-resolved spectroscopy,” J. Phys. Condens. Matter 5(35), 6469–6482 (1993). [CrossRef]

[12] Y. R. Shen and K. L. Bray, “Effect of pressure and temperature on the lifetime of Cr3+ in yttrium aluminum garnet,” Phys. Rev. B 56(17), 10882–10891 (1997). [CrossRef]

[13] W. W. Jia, H. Liu, S. Jaffe, W. M. Yen, and B. Denker, “Spectroscopy of Cr3+ and Cr+4 ions in forsterite,” Phys. Rev. B 43(7), 5234–5242 (1991). [CrossRef]

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