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Article Dans Une Revue Journal of Luminescence Année : 2013

Highly efficient near-infrared quantum cutting in Ce3+/Yb3+ co-doped chalcohalide glasses

Résumé

Near-infrared (NIR) quantum cutting involving the emission of two NIR photons for each visible photon absorbed is realized from Ce3+/Yb3+ codoped chalcohalide glasses. Excitation, emission and decay spectra are measured to prove the occurrence of energy transfer (ET) from Ce3+ to Yb3+. The maximum ET efficiency obtained is as high as 82%, and the possible mechanism of ET is discussed. The directly measured and calculated quantum yield (QY) of the Yb3+ emission upon the excitation of 5d level of Ce3+ is up to 119%.

Domaines

Matériaux
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Dates et versions

hal-00859852 , version 1 (09-10-2013)

Identifiants

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Bing Gao, Qiqi Yan, Yu Tong, Xianghua Zhang, Hongli Ma, et al.. Highly efficient near-infrared quantum cutting in Ce3+/Yb3+ co-doped chalcohalide glasses. Journal of Luminescence, 2013, 143, pp.181-184. ⟨10.1016/j.jlumin.2013.04.015⟩. ⟨hal-00859852⟩
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