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Optics Express

Optics Express

  • Vol. 16, Iss. 16 — Aug. 4, 2008
  • pp: 11795–11801

Optical properties of trivalent europium doped ZnO:Zn phosphor under indirect excitation of near-UV light

Li Chen, Jiahua Zhang, Xianmin Zhang, Feng Liu, and Xiaojun Wang  »View Author Affiliations


Optics Express, Vol. 16, Issue 16, pp. 11795-11801 (2008)
http://dx.doi.org/10.1364/OE.16.011795


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Abstract

Eu3+, Li+-codoped ZnO:Zn phosphor with intense Eu3+ emissions upon indirect excitation of near-UV light has been synthesized under reducing condition. Steady-state and time-resolved photoluminescence and diffuse reflectance spectra are measured to investigate properties of the luminescence. The results suggest that there exists prominent energy transfer from ZnO host to Eu3+ ions. A series of energy levels as temporary storage of excitation energy play a crucial role on this energy transfer process. Two kinds of Eu3+ sites in Eu3+, Li+-codoped ZnO:Zn are distinguished based on the emission and excitation spectra in comparison with pure Eu2O3.

© 2008 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.4670) Materials : Optical materials
(160.5690) Materials : Rare-earth-doped materials
(160.6000) Materials : Semiconductor materials
(300.6250) Spectroscopy : Spectroscopy, condensed matter
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: March 17, 2008
Revised Manuscript: June 12, 2008
Manuscript Accepted: June 15, 2008
Published: July 23, 2008

Citation
Li Chen, Jiahua Zhang, Xianmin Zhang, Feng Liu, and Xiaojun Wang, "Optical properties of trivalent europium doped ZnO:Zn phosphor under indirect excitation of near-UV light," Opt. Express 16, 11795-11801 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-16-11795


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