Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
권호 표지

A Study of Energy Transfer in the Blue Emitting Fluorescence of SrAl12O19:Ce0.093+, Eu0.012+ Phosphor

SrAl12O19:Ce0.093+, Eu0.012+ 형광체에서 청색발광의 에너지 전이에 관한 연구

  • 김광철 (한국기술교육대학교 교양학부 물리전공) ;
  • 최진수 (국방과학연구소)
  • Received : 2019.02.22
  • Accepted : 2019.03.17
  • Published : 2019.03.31
Download PDF
⟨ Previous Next ⟩

Abstract

The blue emitting fluorescence of $SrAl_{12}O_{19}:Ce_{0.09}{^{3+}}$, $Eu_{0.01}{^{2+}}$ phosphor includes two kinds of independent energy transfer mechanism through electric multipole interactions between donor and acceptor ions. The first energy transfer takes place between the $Ce^{3+}$ ion and the $Eu^{2+}$ion which strongly depends on the concentration $Eu^{2+}$ions. The second energy transfer occurs between the $Ce^{3+}$ ion and the $O_{Me}-Ce^{3+}$ complexes. Both energy transfer mechanisms of blue emitting peak at 410 nm were investigated by fitting of Gaussian functions. The result shows that the peak at 410 nm is two overlapping emissions originated by $Eu^{2+}$ions and $O_{Me}-Ce^{3+}$ complexes and as time elapses $Eu^{2+}$peak remains whereas $O_{Me}-Ce^{3+}$ related peak disappears.

Keywords

References

  1. J. M. P. J. Verstegen and A. L. N. Stevels, "The Relation between Crystal Structure and Luminescence in ${\beta}$-Alumina and Magnetoplumbite Phases," J. Luminescence, Vol. 9, pp. 406-414, 1974. https://doi.org/10.1016/0022-2313(74)90033-7
  2. H. T. Hintzen, C. J. M. Denissen, and H. M. van Noort, "$^{151}Eu$ Mossbauer Spectroscopic Study of the Phosphor $SrAl_{12}O_{19}$:Eu with the Magnetoplumbite Structure," Mat. Res. Bull., Vol. 24, pp. 247-259, 1989. https://doi.org/10.1016/0025-5408(89)90132-3
  3. G. Blasse and A. Bril, "Fluorescence of $Eu^{2+}$-Activated Alkaline-Earth Aluminates," Philips Res. Reports, Vol. 23, pp. 201-206, 1968.
  4. G. C. Kim and J. S. Choi, "A Study on the Blue Emitting $SrAl_{12}O_{19}:Ce{_x}^{3+},Eu_{0.01}{^{2+}}$ Using Time-resolved Photoluminescence," J. the Semiconductor & Display Technology, Vol. 15, No. 2, pp. 49-54, 2016.
  5. H. S. Jeon, S. K. Kim, H. L. Park, G. C. Kim, J. H. Bang, and M. Lee, "Observation of Two Independent Energy Transfer Mechanisms in $BaAl_{12}O_{19}$: $Ce_{0.06}{^{3+}}$ +$Eu{_x}^{2+}$ Phosphor," Solid State Comm., Vol. 120, pp. 221-225, 2001. https://doi.org/10.1016/S0038-1098(01)00323-4
  6. B. Henderson and G. F. Imbush, Optical Spectroscopy of Inorganic Solids, Clarendon Oxford, 1989.
  7. G. C. Kim and J. S. Choi, "A Study on the Energy Transfer of $YALO_3:Tb{_x}^{3+}$ using Decay Curves," J. the Semiconductor & Display Technology, Vol.14, No.1, pp. 13-17, 2015.