Ce³⁺ and Eu²⁺ activated Li₂SrSiO₄ phosphors were prepared using a high temperature solid-state reaction technique. The VUV-UV-vis photoluminescence (PL) of Ce³⁺-doped phosphors Li_2-xSr_1-xCe_xSiO₄ and Eu²⁺-doped phosphors Li₂Sr_1-xEu_xSiO₄, the low-voltage cathodoluminescence (CL) of Eu²⁺-doped phosphor Li₂Sr_0.991Eu_0.009SiO₄ and Ce³⁺-Eu²⁺ co-doped phosphors Li_2-xSr_0.991-xEu_0.009Ce_xSiO₄ were measured and discussed in consideration of their potential application in field emission displays (FEDs). The intense emission of phosphors Li_2-xSr_0.991-xEu_0.009Ce_xSiO₄ is tunable in yellow to white color gamut under low-voltage cathode ray excitation.

© 2012 OSA

1. X. M. Liu and J. Lin, “LaGaO3:A (A = Sm3+ and/or Tb3+) as promising phosphors for field emission displays,” J. Mater. Chem.18(2), 221–228 (2007). [CrossRef]
2. W. P. Chen, H. B. Liang, B. Han, J. P. Zhong, and Q. Su, “Emitting-Color Tunable Phosphors Sr3GaO4F:Ce3+ at Ultraviolet Light and Low-Voltage Electron Beam Excitation,” J. Phys. Chem. C113(39), 17194–17199 (2009). [CrossRef]
3. S. Yang, C. Stoffers, F. Zhang, S. M. Jacobsen, B. K. Wagner, C. J. Summers, and N. Yocom, “Green phosphor for low-voltage cathodoluminescent applications: SrGa2S4:Eu2+,” Appl. Phys. Lett.72(2), 158–160 (1998). [CrossRef]
4. F. L. Zhang, S. Yang, C. Stoffers, J. Penczek, P. N. Yocom, D. Zaremba, B. K. Wagner, and C. J. Summers, “Low voltage cathodoluminescence properties of blue emitting SrGa2S4:Ce3+ and ZnS:Ag,Cl phosphors,” Appl. Phys. Lett.72(18), 2226–2228 (1998). [CrossRef]
5. E. T. Goldburt, V. A. Bolchouchine, B. N. Levonovitch, and N. P. Sochtine, “Highly efficient cathodoluminescent phosphors and screens for mid- and high-voltage field emission displays,” J. Vac. Sci. Technol. B17(2), 765–768 (1999). [CrossRef]
6. C. C. Kao and Y. C. Liu, “Intense green emission of ZnS:Cu, Al phosphor obtained by using diode structure of carbon nano-tubes field emission display,” Mater. Chem. Phys.115(1), 463–466 (2009). [CrossRef]
7. V. A. Bolchouchine, E. T. Goldburt, B. N. Levonovitch, V. N. Litchmanova, and N. P. Sochtine, “Designed, highly-effcient FED phosphors and screens,” J. Lumin.87–89, 1277–1279 (2000). [CrossRef]
8. R. X. Yan and Y. D. Li, “Down/Up conversion in Ln3+-doped YF3 nanocrystals,” Adv. Funct. Mater.15(5), 763–770 (2005). [CrossRef]
9. D. F. Wang, S. Y. Park, T. W. Eom, and Y. P. Lee, “Effect of Annealing on the Electron Field-Emission Properties of ZnO Nanowires,” J. Korean Phys. Soc.53, 2710–2713 (2008). [CrossRef]
10. G. Jia, M. Yang, Y. H. Song, H. P. You, and H. J. Zhang, “General and Facile Method To Prepare Uniform Y2O3:Eu Hollow Microspheres,” Cryst. Growth Des.9(1), 301–307 (2009). [CrossRef]
11. G. Jia, Y. H. Song, M. Yang, Y. J. Huang, L. H. Zhang, and H. P. You, “Uniform YVO4:Ln(3+) (Ln = Eu, Dy, and Sm) nanocrystals: Solvothermal synthesis and luminescence properties,” Opt. Mater.31(6), 1032–1037 (2009). [CrossRef]
12. G. G. Li, X. G. Xu, C. Peng, M. M. Shang, D. L. Geng, Z. Y. Cheng, J. Chen, and J. Lin, “Yellow-emitting NaCaPO4:Mn2+ phosphor for field emission displays,” Opt. Express19(17), 16423–16431 (2011). [CrossRef] [PubMed]
13. Z. Zhang and Y. Wang, “UV-VUV excitation luminescence properties of Eu2+-doped Ba2MSi2O7 (M = Mg, Zn),” J. Electrochem. Soc.154(2), J62–J64 (2007). [CrossRef]
14. Y. H. Song, G. Jia, M. Yang, Y. J. Huang, H. P. You, and H. J. Zhang, “Sr3Al2O5Cl2:Ce3+, Eu2+: A potential tunable yellow-to-white-emitting phosphor for ultraviolet light emitting diodes,” Appl. Phys. Lett.94, 091902 (2009). [CrossRef]
15. X. M. Zhang, W. L. Li, L. Shi, X. B. Qiao, and H. J. Seo, “Photoluminescence properties of blue-emitting Li4SrCa(SiO4)2:Eu2+ phosphor for solid-state lighting,” Appl. Phys. B99(1-2), 279–284 (2010). [CrossRef]
16. Y. F. Liu, X. Zhang, Z. D. Hao, Y. S. Luo, X. J. Wang, and J. H. Zhang, “Generating yellow and red emissions by co-doping Mn2+ to substitute for Ca2+ and Sc3+ sites in Ca3Sc2Si3O12:Ce3+ green emitting phosphor for white LED applications,” J. Mater. Chem.21(41), 16379–16384 (2011). [CrossRef]
17. M. B. Xie, H. B. Liang, Q. Su, Y. Huang, Z. H. Gao, and Y. Tao, “Intense Cyan-Emitting of Li2CaSiO4:Eu2+ Under Low-Voltage Cathode Ray Excitation,” Electrochem. Solid-State Lett.14(10), J69–J72 (2011). [CrossRef]
18. Y. C. Wu, Y. C. Chen, T. M. Chen, C. S. Lee, K. J. Chen, and H. C. Kuo, “Crystal structure characterization, optical and photoluminescent properties of tunable yellow- to orange-emitting Y2(Ca,Sr)F4S2:Ce3+ phosphors for solid-state lighting,” J. Mater. Chem.22(16), 8048–8056 (2012). [CrossRef]
19. G. G. Li, Y. Zhang, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Single-Composition Trichromatic White-Emitting Ca4Y6(SiO4)6O: Ce3+/Mn2+/Tb3+ Phosphor: Luminescence and Energy Transfer,” ACS Appl. Mater. Interfaces4(1), 296–305 (2012). [CrossRef] [PubMed]
20. Y. Q. Li, D. G. Deng, Q. Wang, G. F. Li, Y. J. Hua, G. H. Jia, L. H. Huang, S. L. Zhao, H. P. Wang, C. X. Li, and S. Q. Xu, “Luminescent properties of Mg3Ca3(PO4)4: Eu2+ blue-emitting phosphor for white light emitting diodes,” J. Lumin.132(5), 1179–1182 (2012). [CrossRef]
21. X. L. Zhang, H. He, Z. S. Li, T. Yu, and Z. G. Zou, “Photoluminescence studies on Eu2+ and Ce3+-doped Li2SrSiO4,” J. Lumin.128(12), 1876–1879 (2008). [CrossRef]
22. T. G. Kim, H. S. Lee, C. C. Lin, T. Kim, R. S. Liu, T. S. Chan, and S. J. Im, “Effects of additional Ce3+ doping on the luminescence of Li2SrSiO4:Eu2+ yellow phosphor,” Appl. Phys. Lett.96(6), 061904 (2010). [CrossRef]
23. M. P. Saradhi and U. V. Varadaraju, “Photoluminescence Studies on Eu2+-activated Li2SrSiO4 Potential Orange-Yellow Phosphor for Solid-State Lighting,” Chem. Mater.18(22), 5267–5272 (2006). [CrossRef]
24. H. He, R. L. Fu, Y. G. Cao, X. F. Song, Z. W. Pan, X. R. Zhao, Q. B. Xiao, and R. Li, “Ce3+-Eu2+ energy transfer mechanism in the Li2SrSiO4:Eu2+, Ce3+ phosphor,” Opt. Mater.32(5), 632–636 (2010). [CrossRef]
25. C. Kulshreshtha, A. K. Sharma, and K. S. Sohn, “Effect of Local Structures on the Luminescence of Li2(Sr,Ca,Ba)SiO4:Eu2+,” J. Electrochem. Soc.156(3), J52–J56 (2009). [CrossRef]
26. V. P. Dotsenko, S. M. Levshov, I. V. Berezovskaya, G. B. Stryganyuk, A. S. Voloshinovskii, and N. P. Efryushina, “Luminescent properties of Eu2+ and Ce3+ ions in strontium litho-silicate Li2SrSiO4,” J. Lumin.131(2), 310–315 (2011). [CrossRef]
27. Y. Tao, Y. Huang, Z. H. Gao, H. Zhuang, A. Y. Zhou, Y. L. Tan, D. W. Li, and S. S. Sun, “Developing VUV spectroscopy for protein folding and material luminescence on beamline 4B8 at the Beijing Synchrotron Radiation Facility,” J. Synchrotron Radiat.16(6), 857–863 (2009). [CrossRef] [PubMed]
28. B. Haferkorn and G. Meyer, “Li2EuSiO4, an Europium(II)-dilithosilicat: Eu[(Li2Si)O4],” Z. Anorg. Allg. Chem.624(7), 1079–1081 (1998). [CrossRef]
29. P. Dorenbos, L. Pierron, L. Dinca, C. W. E. van Eijk, A. Kahn-Harari, and B. Viana, “4f–5d spectroscopy of Ce3+ in CaBPO5, LiCaPO4 and Li2CaSiO4,” J. Phys. Condens. Matter15(3), 511–520 (2003). [CrossRef]
30. C. F. Guo, L. Luan, F. G. Shi, and X. Ding, “White-Emitting Phosphor Ca2BO3Cl:Ce3+, Eu2+ for UV Light-Emitting Diodes,” J. Electrochem. Soc.156(6), J125–J128 (2009). [CrossRef]
31. C. K. Chang and T. M. Chen, “Sr3B2O6:Ce3+,Eu2+: A potential single-phased white-emitting borate phosphor for ultraviolet light-emitting diodes,” Appl. Phys. Lett.91(8), 081902 (2007). [CrossRef]
32. N. Lakshminarasimhan and U. V. Varadaraju, “White-light Generation in Sr2SiO4:Eu2+, Ce3+ under Near-UV Excitation: A Novel Phosphor for Solid-State Lighting,” J. Electrochem. Soc.152, H152–H156 (2005). [CrossRef]
33. V. Sivakumar and U. V. Varadaraju, “Eu2+, Ce3+ Luminescence and Ce3+- Eu2+ Energy-Transfer Studies on Sr2LiSiO4F: A White Light-Emitting Phosphor,” J. Electrochem. Soc.156, J179–J184 (2009). [CrossRef]
34. H. S. Jang, J. H. Kang, Y. H. Won, S. Lee, and D. Y. Jeon, “Mechanism for strong yellow emission of Y3Al5O12: Ce3+ phosphor under electron irradiation for the application to field emission backlight units,” Appl. Phys. Lett.90(7), 071908 (2007). [CrossRef]

ACS Appl. Mater. Interfaces

• G. G. Li, Y. Zhang, D. L. Geng, M. M. Shang, C. Peng, Z. Y. Cheng, and J. Lin, “Single-Composition Trichromatic White-Emitting Ca4Y6(SiO4)6O: Ce3+/Mn2+/Tb3+ Phosphor: Luminescence and Energy Transfer,” ACS Appl. Mater. Interfaces4(1), 296–305 (2012). [CrossRef] [PubMed]

Adv. Funct. Mater.

• R. X. Yan and Y. D. Li, “Down/Up conversion in Ln3+-doped YF3 nanocrystals,” Adv. Funct. Mater.15(5), 763–770 (2005). [CrossRef]

Appl. Phys. B

• X. M. Zhang, W. L. Li, L. Shi, X. B. Qiao, and H. J. Seo, “Photoluminescence properties of blue-emitting Li4SrCa(SiO4)2:Eu2+ phosphor for solid-state lighting,” Appl. Phys. B99(1-2), 279–284 (2010). [CrossRef]

Appl. Phys. Lett.

• Y. H. Song, G. Jia, M. Yang, Y. J. Huang, H. P. You, and H. J. Zhang, “Sr3Al2O5Cl2:Ce3+, Eu2+: A potential tunable yellow-to-white-emitting phosphor for ultraviolet light emitting diodes,” Appl. Phys. Lett.94, 091902 (2009). [CrossRef]
• S. Yang, C. Stoffers, F. Zhang, S. M. Jacobsen, B. K. Wagner, C. J. Summers, and N. Yocom, “Green phosphor for low-voltage cathodoluminescent applications: SrGa2S4:Eu2+,” Appl. Phys. Lett.72(2), 158–160 (1998). [CrossRef]
• F. L. Zhang, S. Yang, C. Stoffers, J. Penczek, P. N. Yocom, D. Zaremba, B. K. Wagner, and C. J. Summers, “Low voltage cathodoluminescence properties of blue emitting SrGa2S4:Ce3+ and ZnS:Ag,Cl phosphors,” Appl. Phys. Lett.72(18), 2226–2228 (1998). [CrossRef]
• T. G. Kim, H. S. Lee, C. C. Lin, T. Kim, R. S. Liu, T. S. Chan, and S. J. Im, “Effects of additional Ce3+ doping on the luminescence of Li2SrSiO4:Eu2+ yellow phosphor,” Appl. Phys. Lett.96(6), 061904 (2010). [CrossRef]
• C. K. Chang and T. M. Chen, “Sr3B2O6:Ce3+,Eu2+: A potential single-phased white-emitting borate phosphor for ultraviolet light-emitting diodes,” Appl. Phys. Lett.91(8), 081902 (2007). [CrossRef]
• H. S. Jang, J. H. Kang, Y. H. Won, S. Lee, and D. Y. Jeon, “Mechanism for strong yellow emission of Y3Al5O12: Ce3+ phosphor under electron irradiation for the application to field emission backlight units,” Appl. Phys. Lett.90(7), 071908 (2007). [CrossRef]

Chem. Mater.

• M. P. Saradhi and U. V. Varadaraju, “Photoluminescence Studies on Eu2+-activated Li2SrSiO4 Potential Orange-Yellow Phosphor for Solid-State Lighting,” Chem. Mater.18(22), 5267–5272 (2006). [CrossRef]

Cryst. Growth Des.

• G. Jia, M. Yang, Y. H. Song, H. P. You, and H. J. Zhang, “General and Facile Method To Prepare Uniform Y2O3:Eu Hollow Microspheres,” Cryst. Growth Des.9(1), 301–307 (2009). [CrossRef]

Electrochem. Solid-State Lett.

• M. B. Xie, H. B. Liang, Q. Su, Y. Huang, Z. H. Gao, and Y. Tao, “Intense Cyan-Emitting of Li2CaSiO4:Eu2+ Under Low-Voltage Cathode Ray Excitation,” Electrochem. Solid-State Lett.14(10), J69–J72 (2011). [CrossRef]

J. Electrochem. Soc.

• C. Kulshreshtha, A. K. Sharma, and K. S. Sohn, “Effect of Local Structures on the Luminescence of Li2(Sr,Ca,Ba)SiO4:Eu2+,” J. Electrochem. Soc.156(3), J52–J56 (2009). [CrossRef]
• C. F. Guo, L. Luan, F. G. Shi, and X. Ding, “White-Emitting Phosphor Ca2BO3Cl:Ce3+, Eu2+ for UV Light-Emitting Diodes,” J. Electrochem. Soc.156(6), J125–J128 (2009). [CrossRef]
• N. Lakshminarasimhan and U. V. Varadaraju, “White-light Generation in Sr2SiO4:Eu2+, Ce3+ under Near-UV Excitation: A Novel Phosphor for Solid-State Lighting,” J. Electrochem. Soc.152, H152–H156 (2005). [CrossRef]
• V. Sivakumar and U. V. Varadaraju, “Eu2+, Ce3+ Luminescence and Ce3+- Eu2+ Energy-Transfer Studies on Sr2LiSiO4F: A White Light-Emitting Phosphor,” J. Electrochem. Soc.156, J179–J184 (2009). [CrossRef]
• Z. Zhang and Y. Wang, “UV-VUV excitation luminescence properties of Eu2+-doped Ba2MSi2O7 (M = Mg, Zn),” J. Electrochem. Soc.154(2), J62–J64 (2007). [CrossRef]

J. Korean Phys. Soc.

• D. F. Wang, S. Y. Park, T. W. Eom, and Y. P. Lee, “Effect of Annealing on the Electron Field-Emission Properties of ZnO Nanowires,” J. Korean Phys. Soc.53, 2710–2713 (2008). [CrossRef]

J. Lumin.

• V. A. Bolchouchine, E. T. Goldburt, B. N. Levonovitch, V. N. Litchmanova, and N. P. Sochtine, “Designed, highly-effcient FED phosphors and screens,” J. Lumin.87–89, 1277–1279 (2000). [CrossRef]
• V. P. Dotsenko, S. M. Levshov, I. V. Berezovskaya, G. B. Stryganyuk, A. S. Voloshinovskii, and N. P. Efryushina, “Luminescent properties of Eu2+ and Ce3+ ions in strontium litho-silicate Li2SrSiO4,” J. Lumin.131(2), 310–315 (2011). [CrossRef]
• Y. Q. Li, D. G. Deng, Q. Wang, G. F. Li, Y. J. Hua, G. H. Jia, L. H. Huang, S. L. Zhao, H. P. Wang, C. X. Li, and S. Q. Xu, “Luminescent properties of Mg3Ca3(PO4)4: Eu2+ blue-emitting phosphor for white light emitting diodes,” J. Lumin.132(5), 1179–1182 (2012). [CrossRef]
• X. L. Zhang, H. He, Z. S. Li, T. Yu, and Z. G. Zou, “Photoluminescence studies on Eu2+ and Ce3+-doped Li2SrSiO4,” J. Lumin.128(12), 1876–1879 (2008). [CrossRef]

J. Mater. Chem.

• Y. C. Wu, Y. C. Chen, T. M. Chen, C. S. Lee, K. J. Chen, and H. C. Kuo, “Crystal structure characterization, optical and photoluminescent properties of tunable yellow- to orange-emitting Y2(Ca,Sr)F4S2:Ce3+ phosphors for solid-state lighting,” J. Mater. Chem.22(16), 8048–8056 (2012). [CrossRef]
• Y. F. Liu, X. Zhang, Z. D. Hao, Y. S. Luo, X. J. Wang, and J. H. Zhang, “Generating yellow and red emissions by co-doping Mn2+ to substitute for Ca2+ and Sc3+ sites in Ca3Sc2Si3O12:Ce3+ green emitting phosphor for white LED applications,” J. Mater. Chem.21(41), 16379–16384 (2011). [CrossRef]
• X. M. Liu and J. Lin, “LaGaO3:A (A = Sm3+ and/or Tb3+) as promising phosphors for field emission displays,” J. Mater. Chem.18(2), 221–228 (2007). [CrossRef]

J. Phys. Chem. C

• W. P. Chen, H. B. Liang, B. Han, J. P. Zhong, and Q. Su, “Emitting-Color Tunable Phosphors Sr3GaO4F:Ce3+ at Ultraviolet Light and Low-Voltage Electron Beam Excitation,” J. Phys. Chem. C113(39), 17194–17199 (2009). [CrossRef]

J. Phys. Condens. Matter

• P. Dorenbos, L. Pierron, L. Dinca, C. W. E. van Eijk, A. Kahn-Harari, and B. Viana, “4f–5d spectroscopy of Ce3+ in CaBPO5, LiCaPO4 and Li2CaSiO4,” J. Phys. Condens. Matter15(3), 511–520 (2003). [CrossRef]

J. Synchrotron Radiat.

• Y. Tao, Y. Huang, Z. H. Gao, H. Zhuang, A. Y. Zhou, Y. L. Tan, D. W. Li, and S. S. Sun, “Developing VUV spectroscopy for protein folding and material luminescence on beamline 4B8 at the Beijing Synchrotron Radiation Facility,” J. Synchrotron Radiat.16(6), 857–863 (2009). [CrossRef] [PubMed]

J. Vac. Sci. Technol. B

• E. T. Goldburt, V. A. Bolchouchine, B. N. Levonovitch, and N. P. Sochtine, “Highly efficient cathodoluminescent phosphors and screens for mid- and high-voltage field emission displays,” J. Vac. Sci. Technol. B17(2), 765–768 (1999). [CrossRef]

Mater. Chem. Phys.

• C. C. Kao and Y. C. Liu, “Intense green emission of ZnS:Cu, Al phosphor obtained by using diode structure of carbon nano-tubes field emission display,” Mater. Chem. Phys.115(1), 463–466 (2009). [CrossRef]

Opt. Express

• G. G. Li, X. G. Xu, C. Peng, M. M. Shang, D. L. Geng, Z. Y. Cheng, J. Chen, and J. Lin, “Yellow-emitting NaCaPO4:Mn2+ phosphor for field emission displays,” Opt. Express19(17), 16423–16431 (2011). [CrossRef] [PubMed]

Opt. Mater.

• G. Jia, Y. H. Song, M. Yang, Y. J. Huang, L. H. Zhang, and H. P. You, “Uniform YVO4:Ln(3+) (Ln = Eu, Dy, and Sm) nanocrystals: Solvothermal synthesis and luminescence properties,” Opt. Mater.31(6), 1032–1037 (2009). [CrossRef]
• H. He, R. L. Fu, Y. G. Cao, X. F. Song, Z. W. Pan, X. R. Zhao, Q. B. Xiao, and R. Li, “Ce3+-Eu2+ energy transfer mechanism in the Li2SrSiO4:Eu2+, Ce3+ phosphor,” Opt. Mater.32(5), 632–636 (2010). [CrossRef]

Z. Anorg. Allg. Chem.

• B. Haferkorn and G. Meyer, “Li2EuSiO4, an Europium(II)-dilithosilicat: Eu[(Li2Si)O4],” Z. Anorg. Allg. Chem.624(7), 1079–1081 (1998). [CrossRef]

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