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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 639–644

Intense near-infrared emission from ZnO-LiYbO2 hybrid phosphors through efficient energy transfer from ZnO to Yb3+

Song Ye, Nan Jiang, Feng He, Xiaofeng Liu, Bin Zhu, Yu Teng, and Jian Rong Qiu  »View Author Affiliations


Optics Express, Vol. 18, Issue 2, pp. 639-644 (2010)
http://dx.doi.org/10.1364/OE.18.000639


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Abstract

The ZnO-LiYbO2 hybrid phosphors were sintered by the solid-state reaction method, in which the intense near-infrared emission around 1000 nm due to Yb3+ 2F5/22F7/2 transition was obtained due to the efficient energy transfer from ZnO to Yb3+ ions. The growth of the LiYbO2 crystal and the formation of the diffusion layer between LiYbO2 and ZnO were confirmed by XRD, SEM and EDX studies. The high efficient energy transfer is benefited from the inter-diffusion of Li+, Yb3+ and Zn2+ in the diffusion region. The spectroscopy results clearly indicated that the ZnO-LiYbO2 hybrid phosphors can harvest the energy from near-UV photons in a broad wavelength region and effectively convert them into Yb3+ near-infrared emission.

© 2010 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:
Materials

History
Original Manuscript: November 11, 2009
Revised Manuscript: December 16, 2009
Manuscript Accepted: December 16, 2009
Published: January 4, 2010

Citation
Song Ye, Nan Jiang, Feng He, Xiaofeng Liu, Bin Zhu, Yu Teng, and Jian Rong Qiu, "Intense near-infrared emission from ZnO-LiYbO2 hybrid phosphors through efficient energy transfer from ZnO to Yb3+," Opt. Express 18, 639-644 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-2-639


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