Photoluminescence analysis of Ce{sup 3+}:Zn{sub 2}SiO{sub 4} & Li{sup +}+ Ce{sup 3+}:Zn{sub 2}SiO{sub 4}: phosphors by a sol-gel method
Journal Article
·
· AIP Conference Proceedings
- Department of Physics, Sri Venkateswara University, Tirupati-517502 (India)
Here, we report on the development and photoluminescence analysis of Zn{sub 2}SiO{sub 4}, Ce{sup 3+}:Zn{sub 2}SiO{sub 4} & Li{sup +} + Ce{sup 3+}: Zn{sub 2}SiO{sub 4} novel powder phosphors prepared by a sol-gel technique. The total amount of Ce{sup 3+} ions was kept constant in this experiment at 0.05 mol% total doping. The excitation and emission spectra of undoped (Zn{sub 2}SiO{sub 4}) and Ce{sup 3+} doped Zn{sub 2}SiO{sub 4} and 0.05 mol% Li{sup +} co-doped samples have been investigated. Cerium doped Zn{sub 2}SiO{sub 4} powder phosphors had broad blue emission corresponding to the 2D{sub 3/2}→2F{sub J} transition at 443nm. Stable green-yellow-red emission has been observed from Zn{sub 2}SiO{sub 4} host matrix and also we have been observed the enhanced luminescence of Li{sup +} co-doped Zn{sub 2}SiO{sub 4}:Ce{sup 3+}. Excitation and emission spectra of these blue luminescent phosphors have been analyzed in evaluating their potential as luminescent screen coating phosphors.
- OSTI ID:
- 22490628
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1665; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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