Luminescence Properties of Dy3+-Doped CaLaP3O10 White-Light Phosphors Under Vacuum Ultraviolet Excitation

Li Zhang; Guo Cai Han

doi:10.14233/ajchem.2014.18106

Issue

Vol. 26 No. 17 (2014): Vol 26 Issue 17

Issue Published : August 27, 2014

This work is licensed under a Creative Commons Attribution 4.0 International License.

Luminescence Properties of Dy3+-Doped CaLaP3O10 White-Light Phosphors Under Vacuum Ultraviolet Excitation

https://doi.org/10.14233/ajchem.2014.18106

Li Zhang

Department of Basic Course, Lanzhou Institute of Technology, Lanzhou 730050, P.R. China

Guo Cai Han

Department of Material Engineering, Lanzhou Institute of Technology, Lanzhou 730050, P.R. China

Corresponding Author(s) : Guo Cai Han

hgclzu@163.com

Asian Journal of Chemistry, Vol. 26 No. 17 (2014): Vol 26 Issue 17
Article Published : August 12, 2014

Abstract

New Dy³⁺-doped CaLaP₃O₁₀ white light phosphors were satisfactory synthesized by solid phase reaction. The luminescence properties of the CaLa_1-xP₃O₁₀:xDy³⁺ under vacuum ultraviolet (VUV) excitation were investigated. The emission spectra show that the phosphors can efficiently emit blue light and yellow light and finally obtain white light. The excitation spectrum monitored at 572 nm indicates that the samples can efficiently absorb vacuum ultraviolet light from 100 to 300nm with the strongest peak at about 172 nm and the energy can transfer to the levels of Dy³⁺ ion from the host materials. Moreover, the white light phosphors materials are activated by a Dy³⁺ ion and the luminescence of CaLa_1-xP₃O₁₀:xDy³⁺ under vacuum ultraviolet excitation was effective. Therefore, it may have the promising of being applied to mercury-free fluorescence lamp.

Keywords

White light Vacuum ultraviolet Phosphors Phosphate

Zhang, L., & Cai Han, G. (2014). Luminescence Properties of Dy3+-Doped CaLaP3O10 White-Light Phosphors Under Vacuum Ultraviolet Excitation. Asian Journal of Chemistry, 26(17), 5339–5341. https://doi.org/10.14233/ajchem.2014.18106

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References

X.B. Chen, G.Y. Zhang, J.K. Chen, H. Wang, Y.B. Liu, M.R. Shang and J.W. Li, Chin. Phys., 2, 695 (1993); doi:10.1088/1004-423X/2/9/008.

X.L. Liang, C.F. Zhu, Y.X. Yang, S.L. Yuan and G.R. Chen, J. Lumin., 128, 1162 (2008); doi:10.1016/j.jlumin.2007.11.086.

Z. Jia-Chi, W. Yu-Hua, Z. Zhi-Ya, X. Peng, L. Hui-Hui and J. Yan-Ping, Chin. Phys. Lett., 25, 1453 (2008); doi:10.1088/0256-307X/25/4/078.

X.Q. Su and B. Yan, Mater. Chem. Phys., 93, 552 (2005); doi:10.1016/j.matchemphys.2005.04.016.

Y.H. Wang, C.F. Wu and J. Wei, J. Lumin., 126, 503 (2007); doi:10.1016/j.jlumin.2006.09.006.

Y. Li and G. Hong, Chin. J. Lumin., 26, 587 (2005).

T. Jüstel, J.-C. Krupa and D.U. Wiechert, J. Lumin., 93, 179 (2001); doi:10.1016/S0022-2313(01)00199-5.

K. Ravindran Nair, P. Prabhakar Rao, B. Amina, M.R. Chandran and P. Koshy, Mater. Lett., 60, 1796 (2006); doi:10.1016/j.matlet.2005.12.025.

Y.H. Wang and D. Wang, J. Solid State Chem., 180, 3450 (2007); doi:10.1016/j.jssc.2007.10.008.

Y.C. Li, Y.H. Chang, Y.F. Lin, Y.S. Chang and Y.J. Lin, J. Alloys Comp., 439, 367 (2007); doi:10.1016/j.jallcom.2006.08.269.

A. Bao, H. Yang, C.Y. Tao, Y. Zhang and L.L. Han, J. Lumin., 128, 60 (2008); doi:10.1016/j.jlumin.2007.05.011.

L. Yan-Zhu, J. Chin. Phys. B, 18, 1 (2009); doi:10.1088/1674-1056/18/1/001.

K.M. Krishna, G. Anoop and M.K. Jayaraj, J. Electrochem. Soc., 154, J310 (2007); doi:10.1149/1.2793734.

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H.C. Yang, C.Y. Li, H. He, Y. Tao, J.H. Xu and Q. Su, J. Lumin., 118, 61 (2006); doi:10.1016/j.jlumin.2005.06.007.

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Issue

Vol. 26 No. 17 (2014): Vol 26 Issue 17

Luminescence Properties of Dy3+-Doped CaLaP3O10 White-Light Phosphors Under Vacuum Ultraviolet Excitation

Corresponding Author(s) : Guo Cai Han

Abstract

Keywords

Full Article

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