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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 7 — Jul. 1, 2011
  • pp: 1760–1765

Highly efficient energy transfer in Pr 3 + , Yb 3 + codoped CaF 2 for luminescent solar converters

Diana Serrano, Alain Braud, Jean-Louis Doualan, Patrice Camy, and Richard Moncorgé  »View Author Affiliations


JOSA B, Vol. 28, Issue 7, pp. 1760-1765 (2011)
http://dx.doi.org/10.1364/JOSAB.28.001760


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Abstract

The codoping of CaF 2 : Pr 3 + with Yb 3 + ions is shown to lead to the formation of Pr 3 + / Yb 3 + clusters, which can be attractive quantum cutting systems to enhance solar cells’ efficiency. Very high Pr 3 + to Yb 3 + energy transfer efficiencies (ETEs) are achieved for low Yb 3 + and Pr 3 + concentrations ( ETE = 97 % in CaF 2 : 0.5 % Pr 3 + - 1 % Yb 3 + ) confirming the short distance between Pr 3 + and Yb 3 + ions within clusters. A low Yb 3 + concentration offers the advantage of drastically limiting the Yb 3 + concentration quenching usually observed in other hosts where the Yb 3 + concentration has to be larger to achieve a high ETE for solar cell applications.

© 2011 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials
(260.2160) Physical optics : Energy transfer
(260.3800) Physical optics : Luminescence

ToC Category:
Materials

History
Original Manuscript: March 29, 2011
Revised Manuscript: May 27, 2011
Manuscript Accepted: May 31, 2011
Published: June 29, 2011

Citation
Diana Serrano, Alain Braud, Jean-Louis Doualan, Patrice Camy, and Richard Moncorgé, "Highly efficient energy transfer in Pr3+, Yb3+ codoped CaF2 for luminescent solar converters," J. Opt. Soc. Am. B 28, 1760-1765 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-7-1760

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