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Number of results
Journal
2009 | 7 | 2 | 164-167
Article title

The effect of calcium substitution on the afterglow of Eu2+/Dy3+ doped Sr4Al14O25

Content
Title variants
Languages of publication
EN
Abstracts
EN
The effect of calcium substitution on the afterglow of tetrastrontium aluminate phosphors (Sr4Al14O25:Eu2+, Dy3+) was investigated. A series of (Sr1-xCax)O⊎nAl2O3:Eu2+(1%), Dy3+(0.5%), with variation of calcium content (x = 0 − 1), were synthesized by a high temperature solid state reaction in a reducing atmosphere. The photoluminescence, persistent luminescence (afterglow), and lumen equivalents of these materials were studied and compared. It turned out that the afterglow properties of the phosphors were strongly dependent on the Sr/Ca ratio. As the Ca content increased, a phase transition and blue shift in emission spectra were observed. [...]
Publisher

Journal
Year
Volume
7
Issue
2
Pages
164-167
Physical description
Dates
published
1 - 6 - 2009
online
9 - 4 - 2009
Contributors
author
  • FB Chemieingenieurwesen, University of Applied Sciences Münster, D-48565, Steinfurt, Germany, dacyl@fh-muenster.de
  • FB Chemieingenieurwesen, University of Applied Sciences Münster, D-48565, Steinfurt, Germany
  • FB Chemieingenieurwesen, University of Applied Sciences Münster, D-48565, Steinfurt, Germany
References
  • [1] Z. Liu, Y. Liu, J. Zhang, J. Rong, L. Huang, D. Yuan, Optics Communications 251, 388 (2005) http://dx.doi.org/10.1016/j.optcom.2005.03.011[Crossref]
  • [2] Y. Lin, Z. Tang, Z. Zang, Materials Letters 51, 14 (2001) http://dx.doi.org/10.1016/S0167-577X(01)00257-9[Crossref]
  • [3] G. Blasse, A. Bril, Philips Res. Rep. 23, 189 (1968)
  • [4] F. Clabau, X. Rocquefelte, S. Jobic, P. Deniard, M.H. Whangbo, A. Garcia, T. Le Mecier, Chem. Mater. 17, 3904 (2005) http://dx.doi.org/10.1021/cm050763r[Crossref]
  • [5] R.D. Shannon, Acta Crystallographica A32, 751 (1976) [Crossref]
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11532-009-0017-z
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