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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2767–2769

Near-infrared emission of Yb 3 + through energy transfer from ZnO to Yb 3 + in glass ceramic containing ZnO nanocrystals

Qun Luo, Xvsheng Qiao, Xianping Fan, and Xianghua Zhang  »View Author Affiliations


Optics Letters, Vol. 36, Issue 15, pp. 2767-2769 (2011)
http://dx.doi.org/10.1364/OL.36.002767


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Abstract

Yb 3 + -doped glass and glass ceramic containing ZnO nanocrystals were prepared by the melting–quenching method and subsequent heat treatment. Intense near-IR emission around 1000 nm that originated from the transition of Yb 3 + : F 5 / 2 2 F 7 / 2 2 was generated as a result of energy transfer from oxygen interstitials in ZnO nanocrystals to Yb 3 + with energy transfer efficiency of about 10%. The quantum yield for the near-IR emission of Yb 3 + under the excitation of 390 nm was about 16.7%. These materials have potential application in achieving high-efficiency Si solar cells via spectrum modification.

© 2011 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.4760) Materials : Optical properties
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: May 19, 2011
Manuscript Accepted: June 20, 2011
Published: July 19, 2011

Citation
Qun Luo, Xvsheng Qiao, Xianping Fan, and Xianghua Zhang, "Near-infrared emission of Yb3+ through energy transfer from ZnO to Yb3+ in glass ceramic containing ZnO nanocrystals," Opt. Lett. 36, 2767-2769 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-15-2767

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