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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 9 — Sep. 1, 2012
  • pp: 091603–091603

Photoluminescence from Er3+ ion and SnO2 nanocrystal co-doped silica thin films

Xiaowei Zhang, Tao Lin, Xiaofan Jiang, Jun Xu, Jianfeng Liu, Ling Xu, and Kunji Chen  »View Author Affiliations

Chinese Optics Letters, Vol. 10, Issue 9, pp. 091603-091603 (2012)

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Er<sup>3+</sup> ions embedded in silica thin films co-doped by SnO<sub>2</sub> nanocrystals are fabricated by sol-gel and spin coating methods. Uniformly distributed 4-nm SnO<sub>2</sub> nanocrystals are fabricated, and the nanocrystals showed tetragonal rutile crystalline structures confirmed by transmission electron microscope and X-ray diffraction measurements. A strong characteristic emission located at 1.54 μm from the Er<sup>3+</sup> ions is identified, and the influences of Sn doping concentrations on photoluminescence properties are systematically evaluated. The emission at 1.54 μm from Er<sup>3+</sup> ions is enhanced by more than three orders of magnitude, which can be attributed to the effective energy transfer from the defect states of SnO<sub>2</sub> nanocrystals to nearby Er<sup>3+</sup> ions, as revealed by the selective excitation experiments.

© 2012 Chinese Optics Letters

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(260.3800) Physical optics : Luminescence
(160.4236) Materials : Nanomaterials

ToC Category:

Xiaowei Zhang, Tao Lin, Xiaofan Jiang, Jun Xu, Jianfeng Liu, Ling Xu, and Kunji Chen, "Photoluminescence from Er3+ ion and SnO2 nanocrystal co-doped silica thin films," Chin. Opt. Lett. 10, 091603-091603 (2012)

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