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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 12635–12642

Intense ultra-broadband down-conversion in co-doped oxide glass by multipolar interaction process

Zijun Liu, Luyun Yang, Nengli Dai, Yingbo Chu, Qiaoqiao Chen, and Jinyan Li  »View Author Affiliations

Optics Express, Vol. 21, Issue 10, pp. 12635-12642 (2013)

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We report that Eu2+ can be an efficient sensitizer for Yb3+ and a broadband absorber for blue solar spectra in the host of oxide glass. The greenish 4f→5d transition of Eu2+ and the characteristic near-infrared emission of Yb3+ were observed, with the blue-light of xenon lamp excitation. The 5d energy can be adjusted by the host and the energy transfer efficiency can be enhanced. The quantum efficiency is up to 163.8%. Given the broad excitation band, high absorption coefficient and excellent mechanical, thermal and chemical stability, this system can be useful as down-conversion layer for solar cells.

© 2013 OSA

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(260.2160) Physical optics : Energy transfer
(300.6340) Spectroscopy : Spectroscopy, infrared
(350.6050) Other areas of optics : Solar energy

ToC Category:
Solar Energy

Original Manuscript: March 22, 2013
Revised Manuscript: May 8, 2013
Manuscript Accepted: May 8, 2013
Published: May 15, 2013

Zijun Liu, Luyun Yang, Nengli Dai, Yingbo Chu, Qiaoqiao Chen, and Jinyan Li, "Intense ultra-broadband down-conversion in co-doped oxide glass by multipolar interaction process," Opt. Express 21, 12635-12642 (2013)

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