Abstract

We present our achievement which is a ceramic plate phosphorable to produce white light when directly combined with commercially available blue light emitting diodes. The ceramic phase structure is that the Al2O3 particle is uniformly distributed in the Ce:YAG matrix. The Al2O3-Ce:YAG ceramic phosphor has a better luminous efficacy than the transparent Ce:YAG ceramic phosphor under the same test condition. The Al2O3 particle plays an important role in promoting the luminous efficacy. The Al2O3 particle changes the propagation of the light in ceramic, and it reduces the total internal reflection. That is why the composite phase ceramic phosphor improves extraction efficiency of light.

© 2015 Optical Society of America

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  1. S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGaN/AlGaN double-heterostructure blue-light-emitting,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
    [Crossref]
  2. S. Nakamura, M. Senoh, N. Iwasa, S. Nagahama, T. Yamada, and T. Mukai, “Superbright green InGaN single-quantum-well-structure light-emitting diodes,” Jpn. J. Appl. Phys. 34(Part 2, No. 10B), L1332–L1335 (1995).
    [Crossref]
  3. G. Fasol, “Semiconductor lasers - Fast, cheap, and very bright,” Science 275(5302), 941–942 (1997).
    [Crossref]
  4. Y. Narukawa, “White-light LEDs,” Opt. Photon. News. 15(4), 24–29 (2004).
  5. K. Bando, “Performance and applications of high-brightness InGaN LED” in Proceedings of 8th International Symposium on the Science and Technology of Light Sources,G. Babucke, ed. (1998), pp.89.
  6. G. Fasol, “Applied physics - Longer life for the blue laser,” Science 278(5345), 1902–1903 (1997).
    [Crossref]
  7. P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
    [Crossref]
  8. S. Nishiura, S. Tanabe, K. Fujioka, and Y. Fujimoto, “Properties of transparent Ce:YAG ceramic phosphors for white LED,” Opt. Mater. 33(5), 688–691 (2011).
    [Crossref]
  9. Q. Sai, Z. Zhao, C. Xia, X. Xu, F. Wu, J. Di, and L. Wang, “Ce-doped Al2O3-YAG eutectic and its application for white LEDs,” Opt. Mater. 35(12), 2155–2159 (2013).
    [Crossref]
  10. S. Sakata, A. Mitani, and I. Fujii, “Light conversion structure for light-emitting device, has ceramic composite material layer which absorbs portion of light and emits another light, and phosphor layer which absorbs portion of light and emits another light, on ceramic layerEP1837921-A1, 2006-04-06..
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    [Crossref]
  12. R. Zhang, H. Lin, Y. Yu, D. Chen, J. Xu, and Y. Wang, “A new-generation color converter for high-power white LED: transparent Ce3+:YAG phosphor-in-glass,” Laser Photon. Rev. 8(1), 158–164 (2014).
    [Crossref]
  13. S. Fujita, A. Sakamoto, and S. Tanabe, “Luminescence characteristics of YAG glass-ceramic phosphor for white LED,” IEEE J. Sel. Top. Quantum Electron. 14(5), 1387–1391 (2008).
    [Crossref]
  14. Y. Shi, Y. B. Pan, X. Q. Feng, J. Li, and J. K. Guo, “Fabrication and luminescence study of Ce3+-doped YAG transparent ceramics,” J. Inorgan. Mater. 25(2), 125–128 (2010).
    [Crossref]
  15. Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
    [Crossref]
  16. G. H. Liu, Z. Z. Zhou, Y. Shi, Q. Liu, J. Q. Wan, and Y. B. Pan, “Ce:YAG transparent ceramics for applications of high power LEDs: Thickness effects and high temperature performance,” Mater. Lett. 139, 480–482 (2015).
    [Crossref]
  17. P. Hoo Keun, O. Jeong Rok, and D. Young Rag, “2D SiNX photonic crystal coated Y3Al5O12:Ce3+ ceramic plate phosphor for high-power white light-emitting diodes,” Opt. Express 19(25), 25593–25601 (2011).

2015 (1)

G. H. Liu, Z. Z. Zhou, Y. Shi, Q. Liu, J. Q. Wan, and Y. B. Pan, “Ce:YAG transparent ceramics for applications of high power LEDs: Thickness effects and high temperature performance,” Mater. Lett. 139, 480–482 (2015).
[Crossref]

2014 (2)

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

R. Zhang, H. Lin, Y. Yu, D. Chen, J. Xu, and Y. Wang, “A new-generation color converter for high-power white LED: transparent Ce3+:YAG phosphor-in-glass,” Laser Photon. Rev. 8(1), 158–164 (2014).
[Crossref]

2013 (1)

Q. Sai, Z. Zhao, C. Xia, X. Xu, F. Wu, J. Di, and L. Wang, “Ce-doped Al2O3-YAG eutectic and its application for white LEDs,” Opt. Mater. 35(12), 2155–2159 (2013).
[Crossref]

2012 (1)

N. A. Wei, T. C. Lu, F. Li, W. Zhang, B. Y. Ma, Z. W. Lu, and J. Q. Qi, “Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes,” Appl. Phys. Lett. 101(6), 061902 (2012).
[Crossref]

2011 (2)

S. Nishiura, S. Tanabe, K. Fujioka, and Y. Fujimoto, “Properties of transparent Ce:YAG ceramic phosphors for white LED,” Opt. Mater. 33(5), 688–691 (2011).
[Crossref]

P. Hoo Keun, O. Jeong Rok, and D. Young Rag, “2D SiNX photonic crystal coated Y3Al5O12:Ce3+ ceramic plate phosphor for high-power white light-emitting diodes,” Opt. Express 19(25), 25593–25601 (2011).

2010 (1)

Y. Shi, Y. B. Pan, X. Q. Feng, J. Li, and J. K. Guo, “Fabrication and luminescence study of Ce3+-doped YAG transparent ceramics,” J. Inorgan. Mater. 25(2), 125–128 (2010).
[Crossref]

2008 (1)

S. Fujita, A. Sakamoto, and S. Tanabe, “Luminescence characteristics of YAG glass-ceramic phosphor for white LED,” IEEE J. Sel. Top. Quantum Electron. 14(5), 1387–1391 (2008).
[Crossref]

2004 (1)

Y. Narukawa, “White-light LEDs,” Opt. Photon. News. 15(4), 24–29 (2004).

1999 (1)

P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
[Crossref]

1997 (2)

G. Fasol, “Semiconductor lasers - Fast, cheap, and very bright,” Science 275(5302), 941–942 (1997).
[Crossref]

G. Fasol, “Applied physics - Longer life for the blue laser,” Science 278(5345), 1902–1903 (1997).
[Crossref]

1995 (1)

S. Nakamura, M. Senoh, N. Iwasa, S. Nagahama, T. Yamada, and T. Mukai, “Superbright green InGaN single-quantum-well-structure light-emitting diodes,” Jpn. J. Appl. Phys. 34(Part 2, No. 10B), L1332–L1335 (1995).
[Crossref]

1994 (1)

S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGaN/AlGaN double-heterostructure blue-light-emitting,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
[Crossref]

Ba, X. W.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Baur, J.

P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
[Crossref]

Chen, D.

R. Zhang, H. Lin, Y. Yu, D. Chen, J. Xu, and Y. Wang, “A new-generation color converter for high-power white LED: transparent Ce3+:YAG phosphor-in-glass,” Laser Photon. Rev. 8(1), 158–164 (2014).
[Crossref]

Di, J.

Q. Sai, Z. Zhao, C. Xia, X. Xu, F. Wu, J. Di, and L. Wang, “Ce-doped Al2O3-YAG eutectic and its application for white LEDs,” Opt. Mater. 35(12), 2155–2159 (2013).
[Crossref]

Fasol, G.

G. Fasol, “Semiconductor lasers - Fast, cheap, and very bright,” Science 275(5302), 941–942 (1997).
[Crossref]

G. Fasol, “Applied physics - Longer life for the blue laser,” Science 278(5345), 1902–1903 (1997).
[Crossref]

Feng, X. Q.

Y. Shi, Y. B. Pan, X. Q. Feng, J. Li, and J. K. Guo, “Fabrication and luminescence study of Ce3+-doped YAG transparent ceramics,” J. Inorgan. Mater. 25(2), 125–128 (2010).
[Crossref]

Fujimoto, Y.

S. Nishiura, S. Tanabe, K. Fujioka, and Y. Fujimoto, “Properties of transparent Ce:YAG ceramic phosphors for white LED,” Opt. Mater. 33(5), 688–691 (2011).
[Crossref]

Fujioka, K.

S. Nishiura, S. Tanabe, K. Fujioka, and Y. Fujimoto, “Properties of transparent Ce:YAG ceramic phosphors for white LED,” Opt. Mater. 33(5), 688–691 (2011).
[Crossref]

Fujita, S.

S. Fujita, A. Sakamoto, and S. Tanabe, “Luminescence characteristics of YAG glass-ceramic phosphor for white LED,” IEEE J. Sel. Top. Quantum Electron. 14(5), 1387–1391 (2008).
[Crossref]

Guo, J. K.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Y. Shi, Y. B. Pan, X. Q. Feng, J. Li, and J. K. Guo, “Fabrication and luminescence study of Ce3+-doped YAG transparent ceramics,” J. Inorgan. Mater. 25(2), 125–128 (2010).
[Crossref]

Hielscher, C.

P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
[Crossref]

Hoo Keun, P.

Ivanov, M.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Iwasa, N.

S. Nakamura, M. Senoh, N. Iwasa, S. Nagahama, T. Yamada, and T. Mukai, “Superbright green InGaN single-quantum-well-structure light-emitting diodes,” Jpn. J. Appl. Phys. 34(Part 2, No. 10B), L1332–L1335 (1995).
[Crossref]

Jeong Rok, O.

Jiang, B. X.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Jin, G. X.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Kunzer, M.

P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
[Crossref]

Li, F.

N. A. Wei, T. C. Lu, F. Li, W. Zhang, B. Y. Ma, Z. W. Lu, and J. Q. Qi, “Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes,” Appl. Phys. Lett. 101(6), 061902 (2012).
[Crossref]

Li, J.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Y. Shi, Y. B. Pan, X. Q. Feng, J. Li, and J. K. Guo, “Fabrication and luminescence study of Ce3+-doped YAG transparent ceramics,” J. Inorgan. Mater. 25(2), 125–128 (2010).
[Crossref]

Lin, H.

R. Zhang, H. Lin, Y. Yu, D. Chen, J. Xu, and Y. Wang, “A new-generation color converter for high-power white LED: transparent Ce3+:YAG phosphor-in-glass,” Laser Photon. Rev. 8(1), 158–164 (2014).
[Crossref]

Liu, G. H.

G. H. Liu, Z. Z. Zhou, Y. Shi, Q. Liu, J. Q. Wan, and Y. B. Pan, “Ce:YAG transparent ceramics for applications of high power LEDs: Thickness effects and high temperature performance,” Mater. Lett. 139, 480–482 (2015).
[Crossref]

Liu, J.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Liu, Q.

G. H. Liu, Z. Z. Zhou, Y. Shi, Q. Liu, J. Q. Wan, and Y. B. Pan, “Ce:YAG transparent ceramics for applications of high power LEDs: Thickness effects and high temperature performance,” Mater. Lett. 139, 480–482 (2015).
[Crossref]

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Liu, W. B.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Lu, T. C.

N. A. Wei, T. C. Lu, F. Li, W. Zhang, B. Y. Ma, Z. W. Lu, and J. Q. Qi, “Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes,” Appl. Phys. Lett. 101(6), 061902 (2012).
[Crossref]

Lu, Z. W.

N. A. Wei, T. C. Lu, F. Li, W. Zhang, B. Y. Ma, Z. W. Lu, and J. Q. Qi, “Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes,” Appl. Phys. Lett. 101(6), 061902 (2012).
[Crossref]

Ma, B. Y.

N. A. Wei, T. C. Lu, F. Li, W. Zhang, B. Y. Ma, Z. W. Lu, and J. Q. Qi, “Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes,” Appl. Phys. Lett. 101(6), 061902 (2012).
[Crossref]

Medvedev, A.

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Mukai, T.

S. Nakamura, M. Senoh, N. Iwasa, S. Nagahama, T. Yamada, and T. Mukai, “Superbright green InGaN single-quantum-well-structure light-emitting diodes,” Jpn. J. Appl. Phys. 34(Part 2, No. 10B), L1332–L1335 (1995).
[Crossref]

S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGaN/AlGaN double-heterostructure blue-light-emitting,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
[Crossref]

Nagahama, S.

S. Nakamura, M. Senoh, N. Iwasa, S. Nagahama, T. Yamada, and T. Mukai, “Superbright green InGaN single-quantum-well-structure light-emitting diodes,” Jpn. J. Appl. Phys. 34(Part 2, No. 10B), L1332–L1335 (1995).
[Crossref]

Nakamura, S.

S. Nakamura, M. Senoh, N. Iwasa, S. Nagahama, T. Yamada, and T. Mukai, “Superbright green InGaN single-quantum-well-structure light-emitting diodes,” Jpn. J. Appl. Phys. 34(Part 2, No. 10B), L1332–L1335 (1995).
[Crossref]

S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGaN/AlGaN double-heterostructure blue-light-emitting,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
[Crossref]

Narukawa, Y.

Y. Narukawa, “White-light LEDs,” Opt. Photon. News. 15(4), 24–29 (2004).

Nishiura, S.

S. Nishiura, S. Tanabe, K. Fujioka, and Y. Fujimoto, “Properties of transparent Ce:YAG ceramic phosphors for white LED,” Opt. Mater. 33(5), 688–691 (2011).
[Crossref]

Obloh, H.

P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
[Crossref]

Pan, Y. B.

G. H. Liu, Z. Z. Zhou, Y. Shi, Q. Liu, J. Q. Wan, and Y. B. Pan, “Ce:YAG transparent ceramics for applications of high power LEDs: Thickness effects and high temperature performance,” Mater. Lett. 139, 480–482 (2015).
[Crossref]

Q. Liu, J. Liu, J. Li, M. Ivanov, A. Medvedev, Y. P. Zeng, G. X. Jin, X. W. Ba, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Solid-state reactive sintering of YAG transparent ceramics for optical applications,” J. Alloys Compd. 616, 81–88 (2014).
[Crossref]

Y. Shi, Y. B. Pan, X. Q. Feng, J. Li, and J. K. Guo, “Fabrication and luminescence study of Ce3+-doped YAG transparent ceramics,” J. Inorgan. Mater. 25(2), 125–128 (2010).
[Crossref]

Qi, J. Q.

N. A. Wei, T. C. Lu, F. Li, W. Zhang, B. Y. Ma, Z. W. Lu, and J. Q. Qi, “Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes,” Appl. Phys. Lett. 101(6), 061902 (2012).
[Crossref]

Sai, Q.

Q. Sai, Z. Zhao, C. Xia, X. Xu, F. Wu, J. Di, and L. Wang, “Ce-doped Al2O3-YAG eutectic and its application for white LEDs,” Opt. Mater. 35(12), 2155–2159 (2013).
[Crossref]

Sakamoto, A.

S. Fujita, A. Sakamoto, and S. Tanabe, “Luminescence characteristics of YAG glass-ceramic phosphor for white LED,” IEEE J. Sel. Top. Quantum Electron. 14(5), 1387–1391 (2008).
[Crossref]

Schlotter, P.

P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
[Crossref]

Schmidt, R.

P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
[Crossref]

Schneider, J.

P. Schlotter, J. Baur, C. Hielscher, M. Kunzer, H. Obloh, R. Schmidt, and J. Schneider, “Fabrication and characterization of GaN/InGaN/AlGaN double heterostructure LEDs and their application in luminescence conversion LEDs,” Mat. Sci. Eng. B 59(1–3), 390–394 (1999).
[Crossref]

Senoh, M.

S. Nakamura, M. Senoh, N. Iwasa, S. Nagahama, T. Yamada, and T. Mukai, “Superbright green InGaN single-quantum-well-structure light-emitting diodes,” Jpn. J. Appl. Phys. 34(Part 2, No. 10B), L1332–L1335 (1995).
[Crossref]

S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGaN/AlGaN double-heterostructure blue-light-emitting,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
[Crossref]

Shi, Y.

G. H. Liu, Z. Z. Zhou, Y. Shi, Q. Liu, J. Q. Wan, and Y. B. Pan, “Ce:YAG transparent ceramics for applications of high power LEDs: Thickness effects and high temperature performance,” Mater. Lett. 139, 480–482 (2015).
[Crossref]

Y. Shi, Y. B. Pan, X. Q. Feng, J. Li, and J. K. Guo, “Fabrication and luminescence study of Ce3+-doped YAG transparent ceramics,” J. Inorgan. Mater. 25(2), 125–128 (2010).
[Crossref]

Tanabe, S.

S. Nishiura, S. Tanabe, K. Fujioka, and Y. Fujimoto, “Properties of transparent Ce:YAG ceramic phosphors for white LED,” Opt. Mater. 33(5), 688–691 (2011).
[Crossref]

S. Fujita, A. Sakamoto, and S. Tanabe, “Luminescence characteristics of YAG glass-ceramic phosphor for white LED,” IEEE J. Sel. Top. Quantum Electron. 14(5), 1387–1391 (2008).
[Crossref]

Wan, J. Q.

G. H. Liu, Z. Z. Zhou, Y. Shi, Q. Liu, J. Q. Wan, and Y. B. Pan, “Ce:YAG transparent ceramics for applications of high power LEDs: Thickness effects and high temperature performance,” Mater. Lett. 139, 480–482 (2015).
[Crossref]

Wang, L.

Q. Sai, Z. Zhao, C. Xia, X. Xu, F. Wu, J. Di, and L. Wang, “Ce-doped Al2O3-YAG eutectic and its application for white LEDs,” Opt. Mater. 35(12), 2155–2159 (2013).
[Crossref]

Wang, Y.

R. Zhang, H. Lin, Y. Yu, D. Chen, J. Xu, and Y. Wang, “A new-generation color converter for high-power white LED: transparent Ce3+:YAG phosphor-in-glass,” Laser Photon. Rev. 8(1), 158–164 (2014).
[Crossref]

Wei, N. A.

N. A. Wei, T. C. Lu, F. Li, W. Zhang, B. Y. Ma, Z. W. Lu, and J. Q. Qi, “Transparent Ce:Y3Al5O12 ceramic phosphors for white light-emitting diodes,” Appl. Phys. Lett. 101(6), 061902 (2012).
[Crossref]

Wu, F.

Q. Sai, Z. Zhao, C. Xia, X. Xu, F. Wu, J. Di, and L. Wang, “Ce-doped Al2O3-YAG eutectic and its application for white LEDs,” Opt. Mater. 35(12), 2155–2159 (2013).
[Crossref]

Xia, C.

Q. Sai, Z. Zhao, C. Xia, X. Xu, F. Wu, J. Di, and L. Wang, “Ce-doped Al2O3-YAG eutectic and its application for white LEDs,” Opt. Mater. 35(12), 2155–2159 (2013).
[Crossref]

Xu, J.

R. Zhang, H. Lin, Y. Yu, D. Chen, J. Xu, and Y. Wang, “A new-generation color converter for high-power white LED: transparent Ce3+:YAG phosphor-in-glass,” Laser Photon. Rev. 8(1), 158–164 (2014).
[Crossref]

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Figures (6)

Fig. 1
Fig. 1 Photographs of the Ce-doped Al2O3-YAG ceramics.
Fig. 2
Fig. 2 XRD patterns of the Ce-doped Al2O3-YAG ceramic.
Fig. 3
Fig. 3 SEM-EDS mapping of the Al2O3-Ce:YAG ceramic.
Fig. 4
Fig. 4 Photographs of the Al2O3-Ce:YAG transparent ceramics prepared under various experimental components: (a). the mole ratio of Al2O3 /YAG = 1.46 and Ce:Y = 0.001, (b). the mole ratio of Al2O3 /YAG = 0.65 and Ce:Y = 0.001, (c). the mole ratio of Al2O3 /YAG = 0.0058 and Ce:Y = 0.0012; (d). SEM image of the thermally etched surface of the sample with the mole ratio of Al2O3 /YAG = 0.65 and Ce:Y = 0.001.
Fig. 5
Fig. 5 Electroluminescence spectra of WLED with the Al2O3-Ce:YAG ceramic phosphor.
Fig. 6
Fig. 6 The exhibition of the blue light being absorbed and converted by Ce3+ (a) and the light propagation (b) in single Ce:YAG matrix and in Ce:YAG matrix with Al2O3 particles, the critical angle φc = 33°.

Tables (2)

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Table 1 The SEM-EDS composition of the marked area in Fig. 3

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Table 2 WLED luminous efficiency with ceramic samples as the phosphor

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