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Ba2+, Mg2+ Doped Sr3Al2O5Cl2:Eu2+ Phosphor for Potential Application in Light-Emitting Diodes
Corresponding Author(s) : Liangliang Tian
Asian Journal of Chemistry,
Vol. 26 No. 10 (2014): Vol 26 Issue 10
Abstract
The Ba2+ and Mg2+ doped Sr3Al2O5Cl2:Eu2+ synthesized via traditional solid reaction. Photoluminescence spectrum, powder x-ray diffraction and thermal quenching were used to detect these phosphors. The results showed that both of Ba2+ and Mg2+ doped sample showed an enhanced luminescent property. Additionally, due to the difference in the ion radius, the crystal field would alter with changed lattice parameters. The Ba2+ doped sample showed a blue shift from 620 to 610 nm while the Mg2+ doped showed a red-shift from 620 to 630 nm. The thermal quenching also investigated in detail. In general, these phosphors showed potential application in light emitting diodes to obtain warm white light.
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- J.M. Phillips, M.E. Coltrin, M.H. Crawford, A.J. Fischer, M.R. Krames, R. Mueller-Mach, G.O. Mueller, Y. Ohno, L.E.S. Rohwer, J.A. Simmons and J.Y. Tsao, Laser Photonics Rev., 1, 307 (2007); doi:10.1002/lpor.200710019.
- E.F. Schubert and J.K. Kim, Science, 308, 1274 (2005); doi:10.1126/science.1108712.
- J.S. Kim, P.E. Jeon, J.C. Choi, H.L. Park, S.I. Mho and G.C. Kim, Appl. Phys. Lett., 84, 2931 (2004); doi:10.1063/1.1695441.
- W.B. Im, Y.-I. Kim, N.N. Fellows, H. Masui, G.A. Hirata, S.P. DenBaars and R. Seshadri, Appl. Phys. Lett., 93, 091905 (2008); doi:10.1063/1.2976138.
- S. Nakamura and G. Fasol, The Blue Laser Diode, Springer, Berlin (1996).
- H.G. Jenkins, A.H. McKeag and P.W. Ranby, J. Electrochem. Soc., 96, 1 (1949); doi:10.1149/1.2776766.
- Y.C. Kang, J.R. Sohn, H.S. Yoon, K.Y. Jung and H.D. Park, J. Electrochem. Soc., 150, 38 (2003); doi:10.1149/1.1534099.
- X. Zhang and X.G. Liu, J. Electrochem. Soc., 139, 622 (1992); doi:10.1149/1.2069268.
- Z.G. Xia, Q. Li and J.Y. Sun, Mater. Lett., 61, 1885 (2007); doi:10.1016/j.matlet.2006.07.149.
- Y.S. Tang, S.F. Hu, W.H. Ke, C.C. Lin, N. Bagkar and R.S. Liu, Appl. Phys. Lett., 93, 131114 (2008); doi:10.1063/1.2996278.
- Y.S. Tang, S.F. Hu, C.C. Lin, N.C. Bagkar and R.S. Liu, Appl. Phys. Lett., 90, 151108 (2007); doi:10.1063/1.2721846.
- D.L. Dexter, J. Chem. Phys., 21, 836 (1953); doi:10.1063/1.1699044.
- G. Blasse and B.C. Grabmaier, Luminescent Materials, Springer, Berlin Heidelberg (1994).
References
J.M. Phillips, M.E. Coltrin, M.H. Crawford, A.J. Fischer, M.R. Krames, R. Mueller-Mach, G.O. Mueller, Y. Ohno, L.E.S. Rohwer, J.A. Simmons and J.Y. Tsao, Laser Photonics Rev., 1, 307 (2007); doi:10.1002/lpor.200710019.
E.F. Schubert and J.K. Kim, Science, 308, 1274 (2005); doi:10.1126/science.1108712.
J.S. Kim, P.E. Jeon, J.C. Choi, H.L. Park, S.I. Mho and G.C. Kim, Appl. Phys. Lett., 84, 2931 (2004); doi:10.1063/1.1695441.
W.B. Im, Y.-I. Kim, N.N. Fellows, H. Masui, G.A. Hirata, S.P. DenBaars and R. Seshadri, Appl. Phys. Lett., 93, 091905 (2008); doi:10.1063/1.2976138.
S. Nakamura and G. Fasol, The Blue Laser Diode, Springer, Berlin (1996).
H.G. Jenkins, A.H. McKeag and P.W. Ranby, J. Electrochem. Soc., 96, 1 (1949); doi:10.1149/1.2776766.
Y.C. Kang, J.R. Sohn, H.S. Yoon, K.Y. Jung and H.D. Park, J. Electrochem. Soc., 150, 38 (2003); doi:10.1149/1.1534099.
X. Zhang and X.G. Liu, J. Electrochem. Soc., 139, 622 (1992); doi:10.1149/1.2069268.
Z.G. Xia, Q. Li and J.Y. Sun, Mater. Lett., 61, 1885 (2007); doi:10.1016/j.matlet.2006.07.149.
Y.S. Tang, S.F. Hu, W.H. Ke, C.C. Lin, N. Bagkar and R.S. Liu, Appl. Phys. Lett., 93, 131114 (2008); doi:10.1063/1.2996278.
Y.S. Tang, S.F. Hu, C.C. Lin, N.C. Bagkar and R.S. Liu, Appl. Phys. Lett., 90, 151108 (2007); doi:10.1063/1.2721846.
D.L. Dexter, J. Chem. Phys., 21, 836 (1953); doi:10.1063/1.1699044.
G. Blasse and B.C. Grabmaier, Luminescent Materials, Springer, Berlin Heidelberg (1994).