Abstract

We report a new tunable white light emission from γ-irradiated Ag/Eu co-doped phosphate glass phosphor. The appearance of Eu2+ and silver aggregates after γ-irradiation was confirmed via Electron paramagnetic resonance (EPR), absorption, and emission spectra. The effects of Ag/Eu doping concentration and excitation wavelengths on white light emission were discussed. A pure white light emission with the chromaticity coordinates (X = 0.331, Y = 0.329) was generated using the optimal sample under excitation at 360 nm.

© 2012 OSA

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  1. S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combinations of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
    [Crossref]
  2. H. Li, H. K. Yang, B. K. Moon, B. C. Choi, J. H. Jeong, K. Jang, H. S. Lee, and S. S. Yi, “Tunable photoluminescence properties of Eu(II)- and Sm(III)-coactivated Ca9Y(PO4)7 and energy transfer between Eu(II) and Sm(III),” Opt. Mater. Express 2(4), 443–451 (2012).
    [Crossref]
  3. B. Li, D. Zhang, Y. Huang, Z. Ni, and S. Zhuang, “A new structure of multi-layer phosphor package of white LED with high efficiency,” Chin. Opt. Lett. 8(2), 221–223 (2010).
    [Crossref]
  4. R. Farrell, E. Young, F. Wu, S. DenBaars, and J. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
    [Crossref]
  5. H. Zhao, G. Liu, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, “Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells,” Opt. Express 19(S4Suppl 4), A991–A1007 (2011).
    [Crossref] [PubMed]
  6. J. Zhang and N. Tansu, “Improvement in spontaneous emission rates for InGaN quantum wells on ternary InGaN substrate for light-emitting diodes,” J. Appl. Phys. 110(11), 113110 (2011).
    [Crossref]
  7. L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
    [Crossref]
  8. J. Zhang, H. Zhao, and N. Tansu, “Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid-and deep-ultraviolet spectral regimes,” Appl. Phys. Lett. 98(17), 171111 (2011).
    [Crossref]
  9. Y. Taniyasu and M. Kasu, “Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices,” Appl. Phys. Lett. 99(25), 251112 (2011).
    [Crossref]
  10. E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
    [Crossref]
  11. X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
    [Crossref]
  12. H. Zhao, J. Zhang, G. Liu, and N. Tansu, “Surface plasmon dispersion engineering via double-metallic Au/Ag layers for III-nitride based light-emitting diodes,” Appl. Phys. Lett. 98(15), 151115 (2011).
    [Crossref]
  13. C. H. Lu, C. C. Lan, Y. L. Lai, Y. L. Li, and C. P. Liu, “Enhancement of Green Emission from InGaN/GaN Multiple Quantum Wells via Coupling to Surface Plasmons in a Two-Dimensional Silver Array,” Adv. Funct. Mater. 21(24), 4719–4723 (2011).
    [Crossref]
  14. H. C. Kuo, C. W. Hung, H. C. Chen, K. J. Chen, C. H. Wang, C. W. Sher, C. C. Yeh, C. C. Lin, C. H. Chen, and Y. J. Cheng, “Patterned structure of remote phosphor for phosphor-converted white LEDs,” Opt. Express 19(S4Suppl 4), A930–A936 (2011).
    [Crossref] [PubMed]
  15. S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
    [Crossref]
  16. Y. Zhang, L. Wu, M. Ji, B. Wang, Y. Kong, and J. Xu, “Structure and photoluminescence properties of KSr4(BO3)3:Eu3+ red-emitting phosphor,” Opt. Mater. Express 2(1), 92–102 (2012).
    [Crossref]
  17. D. Chen, Y. Yu, H. Lin, P. Huang, F. Weng, Z. Shan, and Y. Wang, “CeF3-based glass ceramic: a potential luminescent host for white-light-emitting diode,” Opt. Lett. 34(19), 2882–2884 (2009).
    [Crossref] [PubMed]
  18. C. Chang and T. Chen, “White light generation under violet-blue excitation from tunable green-to-red emitting Ca2MgSi2O7: Eu, Mn through energy transfer,” Appl. Phys. Lett. 90(16), 161901 (2007).
    [Crossref]
  19. Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).
  20. M. Eichelbaum and K. Rademann, “Plasmonic Enhancement or Energy Transfer? On the Luminescence of Gold-, Silver-, and Lanthanide-Doped Silicate Glasses and Its Potential for Light-Emitting Devices,” Adv. Funct. Mater. 19(13), 2045–2052 (2009).
    [Crossref]
  21. J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
    [Crossref]
  22. S. Fan, C. Yu, D. He, K. Li, and L. Hu, “White light emission from γ-irradiated Ag/Eu co-doped phosphate glass under NUV light excitation,” J. Alloy. Comp. 518, 80–85 (2012).
    [Crossref]
  23. E. Malchukova and B. Boizot, “Reduction of Eu3+ to Eu2+ in aluminoborosilicate glasses under ionizing radiation,” Mater. Res. Bull. 45(9), 1299–1303 (2010).
    [Crossref]
  24. H. Ebendorff-Heidepriem and D. Ehrt, “Effect of europium ions on X-ray-induced defect formation in phosphate containing glasses,” Opt. Mater. 19(3), 351–363 (2002).
    [Crossref]
  25. R. Espiau de Lamaestre, H. Béa, H. Bernas, J. Belloni, and J. Marignier, “Irradiation-induced Ag nanocluster nucleation in silicate glasses: Analogy with photography,” Phys. Rev. B 76(20), 205431 (2007).
    [Crossref]
  26. T. Feldmann and A. Treinin, “Inorganic radicals trapped in glasses at room temperature. IV. Silver radicals in metaphosphate glass,” J. Chem. Phys. 47(8), 2754–2758 (1967).
    [Crossref]
  27. S. Fedrigo, W. Harbich, and J. Buttet, “Collective dipole oscillations in small silver clusters embedded in rare-gas matrices,” Phys. Rev. B Condens. Matter 47(16), 10706–10715 (1993).
    [Crossref] [PubMed]
  28. G. Gao, N. Da, S. Reibstein, and L. Wondraczek, “Enhanced photoluminescence from mixed-valence Eu-doped nanocrystalline silicate glass ceramics,” Opt. Express 18(S4Suppl 4), A575–A583 (2010).
    [Crossref] [PubMed]
  29. G. Gao, S. Reibstein, M. Peng, and L. Wondraczek, “Tunable dual-mode photoluminescence from nanocrystalline Eu-doped Li2ZnSiO4 glass ceramic phosphors,” J. Mater. Chem. 21(9), 3156–3161 (2011).
    [Crossref]
  30. S. Fan, C. Yu, D. He, K. Li, and L. Hu, “Effect of alkali metal oxides on the properties of radio-photoluminescence glasses,” J. Non-Cryst. Solids 357(11-13), 2324–2327 (2011).
    [Crossref]
  31. G. Gao, R. Meszaros, M. Peng, and L. Wondraczek, “Broadband UV-to-green photoconversion in V-doped lithium zinc silicate glasses and glass ceramics,” Opt. Express 19(S3Suppl 3), A312–A318 (2011).
    [Crossref] [PubMed]
  32. G. Gao, S. Reibstein, E. Spiecker, M. Peng, and L. Wondraczek, “Broadband NIR photoluminescence from Ni2+-doped nanocrystalline Ba–Al titanate glass ceramics,” J. Mater. Chem. 22(6), 2582–2588 (2012).
    [Crossref]
  33. G. Gao, M. Peng, and L. Wondraczek, “Temperature dependence and quantum efficiency of ultrabroad NIR photoluminescence from Ni2+centers in nanocrystalline Ba-Al titanate glass ceramics,” Opt. Lett. 37(7), 1166–1168 (2012).
    [Crossref] [PubMed]

2012 (7)

L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
[Crossref]

H. Li, H. K. Yang, B. K. Moon, B. C. Choi, J. H. Jeong, K. Jang, H. S. Lee, and S. S. Yi, “Tunable photoluminescence properties of Eu(II)- and Sm(III)-coactivated Ca9Y(PO4)7 and energy transfer between Eu(II) and Sm(III),” Opt. Mater. Express 2(4), 443–451 (2012).
[Crossref]

R. Farrell, E. Young, F. Wu, S. DenBaars, and J. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

Y. Zhang, L. Wu, M. Ji, B. Wang, Y. Kong, and J. Xu, “Structure and photoluminescence properties of KSr4(BO3)3:Eu3+ red-emitting phosphor,” Opt. Mater. Express 2(1), 92–102 (2012).
[Crossref]

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “White light emission from γ-irradiated Ag/Eu co-doped phosphate glass under NUV light excitation,” J. Alloy. Comp. 518, 80–85 (2012).
[Crossref]

G. Gao, S. Reibstein, E. Spiecker, M. Peng, and L. Wondraczek, “Broadband NIR photoluminescence from Ni2+-doped nanocrystalline Ba–Al titanate glass ceramics,” J. Mater. Chem. 22(6), 2582–2588 (2012).
[Crossref]

G. Gao, M. Peng, and L. Wondraczek, “Temperature dependence and quantum efficiency of ultrabroad NIR photoluminescence from Ni2+centers in nanocrystalline Ba-Al titanate glass ceramics,” Opt. Lett. 37(7), 1166–1168 (2012).
[Crossref] [PubMed]

2011 (14)

G. Gao, S. Reibstein, M. Peng, and L. Wondraczek, “Tunable dual-mode photoluminescence from nanocrystalline Eu-doped Li2ZnSiO4 glass ceramic phosphors,” J. Mater. Chem. 21(9), 3156–3161 (2011).
[Crossref]

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “Effect of alkali metal oxides on the properties of radio-photoluminescence glasses,” J. Non-Cryst. Solids 357(11-13), 2324–2327 (2011).
[Crossref]

G. Gao, R. Meszaros, M. Peng, and L. Wondraczek, “Broadband UV-to-green photoconversion in V-doped lithium zinc silicate glasses and glass ceramics,” Opt. Express 19(S3Suppl 3), A312–A318 (2011).
[Crossref] [PubMed]

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

H. Zhao, G. Liu, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, “Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells,” Opt. Express 19(S4Suppl 4), A991–A1007 (2011).
[Crossref] [PubMed]

J. Zhang and N. Tansu, “Improvement in spontaneous emission rates for InGaN quantum wells on ternary InGaN substrate for light-emitting diodes,” J. Appl. Phys. 110(11), 113110 (2011).
[Crossref]

J. Zhang, H. Zhao, and N. Tansu, “Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid-and deep-ultraviolet spectral regimes,” Appl. Phys. Lett. 98(17), 171111 (2011).
[Crossref]

Y. Taniyasu and M. Kasu, “Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices,” Appl. Phys. Lett. 99(25), 251112 (2011).
[Crossref]

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
[Crossref]

H. Zhao, J. Zhang, G. Liu, and N. Tansu, “Surface plasmon dispersion engineering via double-metallic Au/Ag layers for III-nitride based light-emitting diodes,” Appl. Phys. Lett. 98(15), 151115 (2011).
[Crossref]

C. H. Lu, C. C. Lan, Y. L. Lai, Y. L. Li, and C. P. Liu, “Enhancement of Green Emission from InGaN/GaN Multiple Quantum Wells via Coupling to Surface Plasmons in a Two-Dimensional Silver Array,” Adv. Funct. Mater. 21(24), 4719–4723 (2011).
[Crossref]

H. C. Kuo, C. W. Hung, H. C. Chen, K. J. Chen, C. H. Wang, C. W. Sher, C. C. Yeh, C. C. Lin, C. H. Chen, and Y. J. Cheng, “Patterned structure of remote phosphor for phosphor-converted white LEDs,” Opt. Express 19(S4Suppl 4), A930–A936 (2011).
[Crossref] [PubMed]

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

2010 (3)

2009 (2)

M. Eichelbaum and K. Rademann, “Plasmonic Enhancement or Energy Transfer? On the Luminescence of Gold-, Silver-, and Lanthanide-Doped Silicate Glasses and Its Potential for Light-Emitting Devices,” Adv. Funct. Mater. 19(13), 2045–2052 (2009).
[Crossref]

D. Chen, Y. Yu, H. Lin, P. Huang, F. Weng, Z. Shan, and Y. Wang, “CeF3-based glass ceramic: a potential luminescent host for white-light-emitting diode,” Opt. Lett. 34(19), 2882–2884 (2009).
[Crossref] [PubMed]

2008 (1)

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combinations of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[Crossref]

2007 (2)

R. Espiau de Lamaestre, H. Béa, H. Bernas, J. Belloni, and J. Marignier, “Irradiation-induced Ag nanocluster nucleation in silicate glasses: Analogy with photography,” Phys. Rev. B 76(20), 205431 (2007).
[Crossref]

C. Chang and T. Chen, “White light generation under violet-blue excitation from tunable green-to-red emitting Ca2MgSi2O7: Eu, Mn through energy transfer,” Appl. Phys. Lett. 90(16), 161901 (2007).
[Crossref]

2004 (1)

J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
[Crossref]

2002 (1)

H. Ebendorff-Heidepriem and D. Ehrt, “Effect of europium ions on X-ray-induced defect formation in phosphate containing glasses,” Opt. Mater. 19(3), 351–363 (2002).
[Crossref]

1993 (1)

S. Fedrigo, W. Harbich, and J. Buttet, “Collective dipole oscillations in small silver clusters embedded in rare-gas matrices,” Phys. Rev. B Condens. Matter 47(16), 10706–10715 (1993).
[Crossref] [PubMed]

1967 (1)

T. Feldmann and A. Treinin, “Inorganic radicals trapped in glasses at room temperature. IV. Silver radicals in metaphosphate glass,” J. Chem. Phys. 47(8), 2754–2758 (1967).
[Crossref]

(Bert) Hintzen, H. T.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Béa, H.

R. Espiau de Lamaestre, H. Béa, H. Bernas, J. Belloni, and J. Marignier, “Irradiation-induced Ag nanocluster nucleation in silicate glasses: Analogy with photography,” Phys. Rev. B 76(20), 205431 (2007).
[Crossref]

Belloni, J.

R. Espiau de Lamaestre, H. Béa, H. Bernas, J. Belloni, and J. Marignier, “Irradiation-induced Ag nanocluster nucleation in silicate glasses: Analogy with photography,” Phys. Rev. B 76(20), 205431 (2007).
[Crossref]

Bernas, H.

R. Espiau de Lamaestre, H. Béa, H. Bernas, J. Belloni, and J. Marignier, “Irradiation-induced Ag nanocluster nucleation in silicate glasses: Analogy with photography,” Phys. Rev. B 76(20), 205431 (2007).
[Crossref]

Boizot, B.

E. Malchukova and B. Boizot, “Reduction of Eu3+ to Eu2+ in aluminoborosilicate glasses under ionizing radiation,” Mater. Res. Bull. 45(9), 1299–1303 (2010).
[Crossref]

Borghs, G.

L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
[Crossref]

Brinkley, S.

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

Brinkley, S. E.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Buttet, J.

S. Fedrigo, W. Harbich, and J. Buttet, “Collective dipole oscillations in small silver clusters embedded in rare-gas matrices,” Phys. Rev. B Condens. Matter 47(16), 10706–10715 (1993).
[Crossref] [PubMed]

Chang, C.

C. Chang and T. Chen, “White light generation under violet-blue excitation from tunable green-to-red emitting Ca2MgSi2O7: Eu, Mn through energy transfer,” Appl. Phys. Lett. 90(16), 161901 (2007).
[Crossref]

Chen, C. H.

Chen, D.

Chen, H. C.

Chen, K. J.

Chen, T.

C. Chang and T. Chen, “White light generation under violet-blue excitation from tunable green-to-red emitting Ca2MgSi2O7: Eu, Mn through energy transfer,” Appl. Phys. Lett. 90(16), 161901 (2007).
[Crossref]

Cheng, K.

L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
[Crossref]

Cheng, Y. J.

Choi, B. C.

Choi, J. C.

J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
[Crossref]

Cui, S.

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

Da, N.

Demir, H. V.

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combinations of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[Crossref]

Denault, K. A.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

DenBaars, S.

R. Farrell, E. Young, F. Wu, S. DenBaars, and J. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

DenBaars, S. P.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Dierolf, V.

Ebendorff-Heidepriem, H.

H. Ebendorff-Heidepriem and D. Ehrt, “Effect of europium ions on X-ray-induced defect formation in phosphate containing glasses,” Opt. Mater. 19(3), 351–363 (2002).
[Crossref]

Ee, Y.-K.

X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
[Crossref]

Ehrt, D.

H. Ebendorff-Heidepriem and D. Ehrt, “Effect of europium ions on X-ray-induced defect formation in phosphate containing glasses,” Opt. Mater. 19(3), 351–363 (2002).
[Crossref]

Eichelbaum, M.

M. Eichelbaum and K. Rademann, “Plasmonic Enhancement or Energy Transfer? On the Luminescence of Gold-, Silver-, and Lanthanide-Doped Silicate Glasses and Its Potential for Light-Emitting Devices,” Adv. Funct. Mater. 19(13), 2045–2052 (2009).
[Crossref]

Espiau de Lamaestre, R.

R. Espiau de Lamaestre, H. Béa, H. Bernas, J. Belloni, and J. Marignier, “Irradiation-induced Ag nanocluster nucleation in silicate glasses: Analogy with photography,” Phys. Rev. B 76(20), 205431 (2007).
[Crossref]

Fan, S.

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “White light emission from γ-irradiated Ag/Eu co-doped phosphate glass under NUV light excitation,” J. Alloy. Comp. 518, 80–85 (2012).
[Crossref]

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “Effect of alkali metal oxides on the properties of radio-photoluminescence glasses,” J. Non-Cryst. Solids 357(11-13), 2324–2327 (2011).
[Crossref]

Fan, X.

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

Farrell, R.

R. Farrell, E. Young, F. Wu, S. DenBaars, and J. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

Fedrigo, S.

S. Fedrigo, W. Harbich, and J. Buttet, “Collective dipole oscillations in small silver clusters embedded in rare-gas matrices,” Phys. Rev. B Condens. Matter 47(16), 10706–10715 (1993).
[Crossref] [PubMed]

Feldmann, T.

T. Feldmann and A. Treinin, “Inorganic radicals trapped in glasses at room temperature. IV. Silver radicals in metaphosphate glass,” J. Chem. Phys. 47(8), 2754–2758 (1967).
[Crossref]

Fu, H.

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

Gao, G.

Gilchrist, J. F.

X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
[Crossref]

Harbich, W.

S. Fedrigo, W. Harbich, and J. Buttet, “Collective dipole oscillations in small silver clusters embedded in rare-gas matrices,” Phys. Rev. B Condens. Matter 47(16), 10706–10715 (1993).
[Crossref] [PubMed]

He, D.

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “White light emission from γ-irradiated Ag/Eu co-doped phosphate glass under NUV light excitation,” J. Alloy. Comp. 518, 80–85 (2012).
[Crossref]

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “Effect of alkali metal oxides on the properties of radio-photoluminescence glasses,” J. Non-Cryst. Solids 357(11-13), 2324–2327 (2011).
[Crossref]

Hu, L.

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “White light emission from γ-irradiated Ag/Eu co-doped phosphate glass under NUV light excitation,” J. Alloy. Comp. 518, 80–85 (2012).
[Crossref]

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “Effect of alkali metal oxides on the properties of radio-photoluminescence glasses,” J. Non-Cryst. Solids 357(11-13), 2324–2327 (2011).
[Crossref]

Huang, P.

Huang, Y.

Hung, C. W.

Jang, K.

Jeon, P. E.

J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
[Crossref]

Jeong, J. H.

Ji, M.

Kasu, M.

Y. Taniyasu and M. Kasu, “Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices,” Appl. Phys. Lett. 99(25), 251112 (2011).
[Crossref]

Kelchner, K. M.

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

Kim, G. C.

J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
[Crossref]

Kim, J. S.

J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
[Crossref]

Kong, Y.

Kumnorkaew, P.

X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
[Crossref]

Kuo, H. C.

Lai, Y. L.

C. H. Lu, C. C. Lan, Y. L. Lai, Y. L. Li, and C. P. Liu, “Enhancement of Green Emission from InGaN/GaN Multiple Quantum Wells via Coupling to Surface Plasmons in a Two-Dimensional Silver Array,” Adv. Funct. Mater. 21(24), 4719–4723 (2011).
[Crossref]

Lan, C. C.

C. H. Lu, C. C. Lan, Y. L. Lai, Y. L. Li, and C. P. Liu, “Enhancement of Green Emission from InGaN/GaN Multiple Quantum Wells via Coupling to Surface Plasmons in a Two-Dimensional Silver Array,” Adv. Funct. Mater. 21(24), 4719–4723 (2011).
[Crossref]

Lee, H. S.

Leys, M.

L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
[Crossref]

Li, B.

Li, H.

Li, K.

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “White light emission from γ-irradiated Ag/Eu co-doped phosphate glass under NUV light excitation,” J. Alloy. Comp. 518, 80–85 (2012).
[Crossref]

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “Effect of alkali metal oxides on the properties of radio-photoluminescence glasses,” J. Non-Cryst. Solids 357(11-13), 2324–2327 (2011).
[Crossref]

Li, X.-H.

X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
[Crossref]

Li, Y. L.

C. H. Lu, C. C. Lan, Y. L. Lai, Y. L. Li, and C. P. Liu, “Enhancement of Green Emission from InGaN/GaN Multiple Quantum Wells via Coupling to Surface Plasmons in a Two-Dimensional Silver Array,” Adv. Funct. Mater. 21(24), 4719–4723 (2011).
[Crossref]

Liang, H.

L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
[Crossref]

Lieten, R.

L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
[Crossref]

Lin, C. C.

Lin, H.

Liu, C. P.

C. H. Lu, C. C. Lan, Y. L. Lai, Y. L. Li, and C. P. Liu, “Enhancement of Green Emission from InGaN/GaN Multiple Quantum Wells via Coupling to Surface Plasmons in a Two-Dimensional Silver Array,” Adv. Funct. Mater. 21(24), 4719–4723 (2011).
[Crossref]

Liu, G.

H. Zhao, J. Zhang, G. Liu, and N. Tansu, “Surface plasmon dispersion engineering via double-metallic Au/Ag layers for III-nitride based light-emitting diodes,” Appl. Phys. Lett. 98(15), 151115 (2011).
[Crossref]

H. Zhao, G. Liu, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, “Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells,” Opt. Express 19(S4Suppl 4), A991–A1007 (2011).
[Crossref] [PubMed]

Lu, C. H.

C. H. Lu, C. C. Lan, Y. L. Lai, Y. L. Li, and C. P. Liu, “Enhancement of Green Emission from InGaN/GaN Multiple Quantum Wells via Coupling to Surface Plasmons in a Two-Dimensional Silver Array,” Adv. Funct. Mater. 21(24), 4719–4723 (2011).
[Crossref]

Luo, Q.

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

Malchukova, E.

E. Malchukova and B. Boizot, “Reduction of Eu3+ to Eu2+ in aluminoborosilicate glasses under ionizing radiation,” Mater. Res. Bull. 45(9), 1299–1303 (2010).
[Crossref]

Marignier, J.

R. Espiau de Lamaestre, H. Béa, H. Bernas, J. Belloni, and J. Marignier, “Irradiation-induced Ag nanocluster nucleation in silicate glasses: Analogy with photography,” Phys. Rev. B 76(20), 205431 (2007).
[Crossref]

Matioli, E.

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

Meszaros, R.

Mho, S. I.

J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
[Crossref]

Moon, B. K.

Nakamura, S.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

Ni, Z.

Nizamoglu, S.

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combinations of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[Crossref]

Park, H. L.

J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
[Crossref]

Peng, M.

G. Gao, S. Reibstein, E. Spiecker, M. Peng, and L. Wondraczek, “Broadband NIR photoluminescence from Ni2+-doped nanocrystalline Ba–Al titanate glass ceramics,” J. Mater. Chem. 22(6), 2582–2588 (2012).
[Crossref]

G. Gao, M. Peng, and L. Wondraczek, “Temperature dependence and quantum efficiency of ultrabroad NIR photoluminescence from Ni2+centers in nanocrystalline Ba-Al titanate glass ceramics,” Opt. Lett. 37(7), 1166–1168 (2012).
[Crossref] [PubMed]

G. Gao, S. Reibstein, M. Peng, and L. Wondraczek, “Tunable dual-mode photoluminescence from nanocrystalline Eu-doped Li2ZnSiO4 glass ceramic phosphors,” J. Mater. Chem. 21(9), 3156–3161 (2011).
[Crossref]

G. Gao, R. Meszaros, M. Peng, and L. Wondraczek, “Broadband UV-to-green photoconversion in V-doped lithium zinc silicate glasses and glass ceramics,” Opt. Express 19(S3Suppl 3), A312–A318 (2011).
[Crossref] [PubMed]

Pfaff, N.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Poplawsky, J. D.

Qian, J.

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

Qiao, X.

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

Rademann, K.

M. Eichelbaum and K. Rademann, “Plasmonic Enhancement or Energy Transfer? On the Luminescence of Gold-, Silver-, and Lanthanide-Doped Silicate Glasses and Its Potential for Light-Emitting Devices,” Adv. Funct. Mater. 19(13), 2045–2052 (2009).
[Crossref]

Reibstein, S.

G. Gao, S. Reibstein, E. Spiecker, M. Peng, and L. Wondraczek, “Broadband NIR photoluminescence from Ni2+-doped nanocrystalline Ba–Al titanate glass ceramics,” J. Mater. Chem. 22(6), 2582–2588 (2012).
[Crossref]

G. Gao, S. Reibstein, M. Peng, and L. Wondraczek, “Tunable dual-mode photoluminescence from nanocrystalline Eu-doped Li2ZnSiO4 glass ceramic phosphors,” J. Mater. Chem. 21(9), 3156–3161 (2011).
[Crossref]

G. Gao, N. Da, S. Reibstein, and L. Wondraczek, “Enhanced photoluminescence from mixed-valence Eu-doped nanocrystalline silicate glass ceramics,” Opt. Express 18(S4Suppl 4), A575–A583 (2010).
[Crossref] [PubMed]

Seshadri, R.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Shan, Z.

Sher, C. W.

Song, R.

X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
[Crossref]

Speck, J.

R. Farrell, E. Young, F. Wu, S. DenBaars, and J. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

Spiecker, E.

G. Gao, S. Reibstein, E. Spiecker, M. Peng, and L. Wondraczek, “Broadband NIR photoluminescence from Ni2+-doped nanocrystalline Ba–Al titanate glass ceramics,” J. Mater. Chem. 22(6), 2582–2588 (2012).
[Crossref]

Taniyasu, Y.

Y. Taniyasu and M. Kasu, “Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices,” Appl. Phys. Lett. 99(25), 251112 (2011).
[Crossref]

Tansu, N.

J. Zhang, H. Zhao, and N. Tansu, “Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid-and deep-ultraviolet spectral regimes,” Appl. Phys. Lett. 98(17), 171111 (2011).
[Crossref]

J. Zhang and N. Tansu, “Improvement in spontaneous emission rates for InGaN quantum wells on ternary InGaN substrate for light-emitting diodes,” J. Appl. Phys. 110(11), 113110 (2011).
[Crossref]

H. Zhao, J. Zhang, G. Liu, and N. Tansu, “Surface plasmon dispersion engineering via double-metallic Au/Ag layers for III-nitride based light-emitting diodes,” Appl. Phys. Lett. 98(15), 151115 (2011).
[Crossref]

X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
[Crossref]

H. Zhao, G. Liu, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, “Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells,” Opt. Express 19(S4Suppl 4), A991–A1007 (2011).
[Crossref] [PubMed]

Treinin, A.

T. Feldmann and A. Treinin, “Inorganic radicals trapped in glasses at room temperature. IV. Silver radicals in metaphosphate glass,” J. Chem. Phys. 47(8), 2754–2758 (1967).
[Crossref]

Wang, B.

Wang, C. H.

Wang, Y.

Weisbuch, C.

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

Weng, F.

Wondraczek, L.

Wu, F.

R. Farrell, E. Young, F. Wu, S. DenBaars, and J. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

Wu, L.

Xu, J.

Xu, Y.

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

Yang, H. K.

Yeh, C. C.

Yi, S. S.

Young, E.

R. Farrell, E. Young, F. Wu, S. DenBaars, and J. Speck, “Materials and growth issues for high-performance nonpolar and semipolar light-emitting devices,” Semicond. Sci. Technol. 27(2), 024001 (2012).
[Crossref]

Yu, C.

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “White light emission from γ-irradiated Ag/Eu co-doped phosphate glass under NUV light excitation,” J. Alloy. Comp. 518, 80–85 (2012).
[Crossref]

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “Effect of alkali metal oxides on the properties of radio-photoluminescence glasses,” J. Non-Cryst. Solids 357(11-13), 2324–2327 (2011).
[Crossref]

Yu, Y.

Zengin, G.

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combinations of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[Crossref]

Zhang, D.

Zhang, J.

H. Zhao, G. Liu, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, “Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells,” Opt. Express 19(S4Suppl 4), A991–A1007 (2011).
[Crossref] [PubMed]

H. Zhao, J. Zhang, G. Liu, and N. Tansu, “Surface plasmon dispersion engineering via double-metallic Au/Ag layers for III-nitride based light-emitting diodes,” Appl. Phys. Lett. 98(15), 151115 (2011).
[Crossref]

J. Zhang and N. Tansu, “Improvement in spontaneous emission rates for InGaN quantum wells on ternary InGaN substrate for light-emitting diodes,” J. Appl. Phys. 110(11), 113110 (2011).
[Crossref]

J. Zhang, H. Zhao, and N. Tansu, “Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid-and deep-ultraviolet spectral regimes,” Appl. Phys. Lett. 98(17), 171111 (2011).
[Crossref]

Zhang, L.

L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
[Crossref]

Zhang, X.

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

Zhang, Y.

Zhang, Z.

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

Zhao, H.

J. Zhang, H. Zhao, and N. Tansu, “Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid-and deep-ultraviolet spectral regimes,” Appl. Phys. Lett. 98(17), 171111 (2011).
[Crossref]

H. Zhao, J. Zhang, G. Liu, and N. Tansu, “Surface plasmon dispersion engineering via double-metallic Au/Ag layers for III-nitride based light-emitting diodes,” Appl. Phys. Lett. 98(15), 151115 (2011).
[Crossref]

H. Zhao, G. Liu, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, “Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells,” Opt. Express 19(S4Suppl 4), A991–A1007 (2011).
[Crossref] [PubMed]

Zhuang, S.

Adv. Funct. Mater. (2)

C. H. Lu, C. C. Lan, Y. L. Lai, Y. L. Li, and C. P. Liu, “Enhancement of Green Emission from InGaN/GaN Multiple Quantum Wells via Coupling to Surface Plasmons in a Two-Dimensional Silver Array,” Adv. Funct. Mater. 21(24), 4719–4723 (2011).
[Crossref]

M. Eichelbaum and K. Rademann, “Plasmonic Enhancement or Energy Transfer? On the Luminescence of Gold-, Silver-, and Lanthanide-Doped Silicate Glasses and Its Potential for Light-Emitting Devices,” Adv. Funct. Mater. 19(13), 2045–2052 (2009).
[Crossref]

Appl. Phys. Lett. (8)

J. S. Kim, P. E. Jeon, J. C. Choi, H. L. Park, S. I. Mho, and G. C. Kim, “Warm-white-light emitting diode utilizing a single-phase full-color Ba3MgSi2O8: Eu2+, Mn2+ phosphor,” Appl. Phys. Lett. 84(15), 2931–2933 (2004).
[Crossref]

C. Chang and T. Chen, “White light generation under violet-blue excitation from tunable green-to-red emitting Ca2MgSi2O7: Eu, Mn through energy transfer,” Appl. Phys. Lett. 90(16), 161901 (2007).
[Crossref]

S. E. Brinkley, N. Pfaff, K. A. Denault, Z. Zhang, H. T. (Bert) Hintzen, R. Seshadri, S. Nakamura, and S. P. DenBaars, “Robust thermal performance of Sr2Si5N8:Eu2+: An efficient red emitting phosphor for light emitting diode based white lighting,” Appl. Phys. Lett. 99(24), 241106 (2011).
[Crossref]

H. Zhao, J. Zhang, G. Liu, and N. Tansu, “Surface plasmon dispersion engineering via double-metallic Au/Ag layers for III-nitride based light-emitting diodes,” Appl. Phys. Lett. 98(15), 151115 (2011).
[Crossref]

S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combinations of nanocrystal emitters for warm-white light generation with high color rendering index,” Appl. Phys. Lett. 92(3), 031102 (2008).
[Crossref]

J. Zhang, H. Zhao, and N. Tansu, “Large optical gain AlGaN-delta-GaN quantum wells laser active regions in mid-and deep-ultraviolet spectral regimes,” Appl. Phys. Lett. 98(17), 171111 (2011).
[Crossref]

Y. Taniyasu and M. Kasu, “Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices,” Appl. Phys. Lett. 99(25), 251112 (2011).
[Crossref]

E. Matioli, S. Brinkley, K. M. Kelchner, S. Nakamura, S. DenBaars, J. Speck, and C. Weisbuch, “Polarized light extraction in m-plane GaN light-emitting diodes by embedded photonic-crystals,” Appl. Phys. Lett. 98(25), 251112 (2011).
[Crossref]

Chin. Opt. Lett. (2)

B. Li, D. Zhang, Y. Huang, Z. Ni, and S. Zhuang, “A new structure of multi-layer phosphor package of white LED with high efficiency,” Chin. Opt. Lett. 8(2), 221–223 (2010).
[Crossref]

Y. Xu, S. Cui, H. Fu, J. Qian, Q. Luo, X. Qiao, X. Fan, and X. Zhang, “White light generation of glass ceramics containing Ba2LaF7: Eu2+, Tb3+ and Sm3+ nanocrystals,” Chin. Opt. Lett. 10, 31602 (2011).

IEEE Photon. J. (1)

X.-H. Li, R. Song, Y.-K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios,” IEEE Photon. J. 3(3), 489–499 (2011).
[Crossref]

J. Alloy. Comp. (1)

S. Fan, C. Yu, D. He, K. Li, and L. Hu, “White light emission from γ-irradiated Ag/Eu co-doped phosphate glass under NUV light excitation,” J. Alloy. Comp. 518, 80–85 (2012).
[Crossref]

J. Appl. Phys. (1)

J. Zhang and N. Tansu, “Improvement in spontaneous emission rates for InGaN quantum wells on ternary InGaN substrate for light-emitting diodes,” J. Appl. Phys. 110(11), 113110 (2011).
[Crossref]

J. Chem. Phys. (1)

T. Feldmann and A. Treinin, “Inorganic radicals trapped in glasses at room temperature. IV. Silver radicals in metaphosphate glass,” J. Chem. Phys. 47(8), 2754–2758 (1967).
[Crossref]

J. Mater. Chem. (2)

G. Gao, S. Reibstein, M. Peng, and L. Wondraczek, “Tunable dual-mode photoluminescence from nanocrystalline Eu-doped Li2ZnSiO4 glass ceramic phosphors,” J. Mater. Chem. 21(9), 3156–3161 (2011).
[Crossref]

G. Gao, S. Reibstein, E. Spiecker, M. Peng, and L. Wondraczek, “Broadband NIR photoluminescence from Ni2+-doped nanocrystalline Ba–Al titanate glass ceramics,” J. Mater. Chem. 22(6), 2582–2588 (2012).
[Crossref]

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S. Fan, C. Yu, D. He, K. Li, and L. Hu, “Effect of alkali metal oxides on the properties of radio-photoluminescence glasses,” J. Non-Cryst. Solids 357(11-13), 2324–2327 (2011).
[Crossref]

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L. Zhang, K. Cheng, H. Liang, R. Lieten, M. Leys, and G. Borghs, “Photoluminescence Studies of Polarization Effects in InGaN/(In) GaN Multiple Quantum Well Structures,” Jpn. J. Appl. Phys. 51, 030207 (2012).
[Crossref]

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E. Malchukova and B. Boizot, “Reduction of Eu3+ to Eu2+ in aluminoborosilicate glasses under ionizing radiation,” Mater. Res. Bull. 45(9), 1299–1303 (2010).
[Crossref]

Opt. Express (4)

Opt. Lett. (2)

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H. Ebendorff-Heidepriem and D. Ehrt, “Effect of europium ions on X-ray-induced defect formation in phosphate containing glasses,” Opt. Mater. 19(3), 351–363 (2002).
[Crossref]

Opt. Mater. Express (2)

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R. Espiau de Lamaestre, H. Béa, H. Bernas, J. Belloni, and J. Marignier, “Irradiation-induced Ag nanocluster nucleation in silicate glasses: Analogy with photography,” Phys. Rev. B 76(20), 205431 (2007).
[Crossref]

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[Crossref]

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Figures (3)

Fig. 1
Fig. 1

(a): EPR and (b): absorption spectra of γ-irradiated Ag/Eu co-doped phosphate glasses. These glasses were doped with 1.5 mol% Ag and co-doped with 0.2, 0.5, 0.8, 1.2 and 1.5 mol% Eu. Inset of (b): zoom at the spectra region of 450-600 nm.

Fig. 2
Fig. 2

Emission spectra of γ-irradiated phosphate glasses (a): doped with 1.5 mol% Ag and co-doped with 0.2, 0.5, 0.8, 1.2 and 1.5 mol% Eu under 375 nm excitation; (b): integrated emission intensity as a function of Eu-doping concentration; (c): doped with 0.8 mol% Eu and co-doped with 1, 2, 3, and 4 mol% Ag under 375 nm excitation; and (d): doped with 0.8 mol% Eu and co-doped with 4 mol% Ag under excitation at different wavelengths.

Fig. 3
Fig. 3

CIE chromaticity diagram for the optimized phosphate glass doped with 0.8 mol% Eu and co-doped with 4 mol% Ag under different excitation wavelengths.

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