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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 2 — Jan. 15, 2010
  • pp: 220–222

Ultraviolet-blue to near-infrared downconversion of Nd 3 + Yb 3 + couple

Daqin Chen, Yunlong Yu, Hang Lin, Ping Huang, Zhifa Shan, and Yuansheng Wang  »View Author Affiliations


Optics Letters, Vol. 35, Issue 2, pp. 220-222 (2010)
http://dx.doi.org/10.1364/OL.35.000220


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Abstract

To reduce energy losses by thermalization of charge carriers in a silicon solar cell, quantum-cutting luminescent materials are desired for the efficient downconversion of UV–visible radiation into near-IR radiation. In this Letter, quantum cutting involving emission of two near-IR photons for each UV-blue photon absorbed is demonstrated in Nd 3 + Yb 3 + : β - Y F 3 nanocrystals embedded in transparent bulk-glass ceramics. Upon excitation of an Nd 3 + ion with a UV-blue photon, Yb 3 + ions emit two near-IR photons through an efficient two-step energy transfer from Nd 3 + to Yb 3 + with Nd 3 + : F 3 2 4 acting as the intermediate state.

© 2010 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.4760) Materials : Optical properties
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: September 16, 2009
Revised Manuscript: December 9, 2009
Manuscript Accepted: December 11, 2009
Published: January 14, 2010

Citation
Daqin Chen, Yunlong Yu, Hang Lin, Ping Huang, Zhifa Shan, and Yuansheng Wang, "Ultraviolet-blue to near-infrared downconversion of Nd3+-Yb3+ couple," Opt. Lett. 35, 220-222 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-2-220


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