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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3340–3343

Super-intense white upconversion emission of Yb2O3 polycrystals and its application on luminescence converter of dye-sensitized solar cells

Chuang Miao, Tong Liu, Yongsheng Zhu, Qilin Dai, Wen Xu, Lin Xu, Sai Xu, Yi Zhao, and Hongwei Song  »View Author Affiliations

Optics Letters, Vol. 38, Issue 17, pp. 3340-3343 (2013)

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In this Letter, we present the observation of super-intense upconversion (UC) white emission of Yb 2 O 3 under 980 nm excitation, its evolution on excitation power density, the UC mechanism, and its application on the luminescence converter of dye-sensitized solar cells (DSSCs). It is significant to observe that Yb 2 O 3 demonstrates at least one order more intense UC luminescence than β -phase NaYF 4 : Yb 3 + , Er 3 + and Yb 2 O 3 / DSSCs exhibit much better photovoltaic performance than β -phase NaYF 4 : Yb 3 + , Er 3 + / DSSCs under strong excitation. This indicates that Yb 2 O 3 would become a novel candidate of the solar energy converter, especially in the application of concentrator solar cells.

© 2013 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(230.7405) Optical devices : Wavelength conversion devices

ToC Category:
Optical Devices

Original Manuscript: July 3, 2013
Revised Manuscript: July 31, 2013
Manuscript Accepted: July 31, 2013
Published: August 26, 2013

Chuang Miao, Tong Liu, Yongsheng Zhu, Qilin Dai, Wen Xu, Lin Xu, Sai Xu, Yi Zhao, and Hongwei Song, "Super-intense white upconversion emission of Yb2O3 polycrystals and its application on luminescence converter of dye-sensitized solar cells," Opt. Lett. 38, 3340-3343 (2013)

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Fig. 1. Fig. 2. Fig. 3.

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