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Broadband spectral conversion of visible light to near-infrared emission via energy transfer from Ce3+ to Nd3+/Yb3+ in YAG

Published online by Cambridge University Press:  08 March 2011

Jiajia Zhou ,
Yu Teng ,
Xiaofeng Liu ,
Zhijun Ma  and
Jianrong Qiu
Jiajia Zhou
Affiliation:
State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
Yu Teng
Affiliation:
State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
Xiaofeng Liu
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Zhijun Ma
Affiliation:
State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
Jianrong Qiu*
Affiliation:
State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China; and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510640, China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Broadband spectral conversion from visible light to near-infrared radiation in Ce3+–Nd3+/Yb3+ codoped yttrium aluminum garnet is reported. Excitation, emission spectra, and decay curves have been measured to prove the energy transfer from Ce3+ to Nd3+ or Yb3+. The energy transfer efficiencies have been estimated, and the mechanisms of the energy transfer between Ce3+ and Nd3+/Yb3+ have been proposed. Ce3+–Nd3+ codoped YAG can obtain more effective emission in the desired near-infrared region (around 1100 nm) through broadband conversion, showing potential application to improve the conversion efficiency of Si solar cells.

Keywords

Optical PropertiesCeNd
Type
Articles
Information
Journal of Materials Research , Volume 26 , Issue 5 , 14 March 2011 , pp. 689 - 692
Copyright
Copyright © Materials Research Society 2011

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References

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