UV Emission In Li2CaMg(SO4)3:Ce Phosphor For Phototherapy

Authors

  • P.C. Dhabale  Department of Physics, Kamla Nehru Mahavidyalaya, Nagpur, Maharashtra, India
  • S.P. Puppalwar  Department of Physics, Kamla Nehru Mahavidyalaya, Nagpur, Maharashtra, India
  • S.J. Dhoble  Department of Physics, RTM Nagpur University, Nagpur, Maharashtra, India

Keywords:

Li2CaMg(SO4)3; XRD; SEM; Photoluminescence; Wet chemical method.

Abstract

A series of Li2Ca(SO4)2 and Li2CaMg(SO4)3 phosphors doped with Ce3+ ions were prepared using the wet chemical method. X-Ray diffraction and SEM micrographs studies were used to determine their phase formation, purity and morphology. The photoluminescence (PL) excitation spectra indicate that the Li2CaMg(SO4)3:Ce3+ phosphors can be effectively excited by ultraviolet (293nm) light. The photoluminescence (PL) properties of the as-prepared phosphors were investigated. Two strong resolved peaks in emission spectra are observed at 309 and 329 nm in the UV range, which are assigned to the 5d-4f transition of Ce3+ ions. The concentration quenching effect for Ce3+ was found at the optimum doping concentration of 2 mol%. The presence of Mg in the host affects the photoluminescence characteristics of Li2Ca(2-x)Mgx(SO4)3:Ce (2m%) were observed.

References

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International Journal of Scientific Research in Science and Technology

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Published

2018-01-30

Issue

Volume 4, Issue 1, January-February-2018

Section

Research Articles

License

Copyright (c) IJSRST

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

How to Cite

[1]
P.C. Dhabale, S.P. Puppalwar, S.J. Dhoble, " UV Emission In Li2CaMg(SO4)3:Ce Phosphor For Phototherapy, International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 4, Issue 1, pp.231-234, January-February-2018.