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Article Dans Une Revue Journal of Non-Crystalline Solids Année : 2012

Broadband downshifting luminescence of Cr3+/Yb3+-codoped fluorosilicate glass

Résumé

Cr3+/Yb3+-codoped glasses were studied as broadband down shifting materials for improving solar cells' efficiency. We observed Föster resonance energy transfers (FRET) from Cr3+: 4T2g to Yb3+: 2 F5/2. The ET efficiency was up to 84 %, and the measured quantum yield (QY) reached 21.51 %. The glass can convert solar photons in super wide UV-Vis range to near infrared photons with the minimum quantum yields larger than 10%. Thus, such materials can be applied for improving silicon solar cells' conversion efficiency.

Domaines

Matériaux

Dates et versions

hal-00848914 , version 1 (29-07-2013)

Identifiants

Citer

Hengyi Fu, Shuo Cui, Qun Luo, Xvsheng Qiao, Xianping Fan, et al.. Broadband downshifting luminescence of Cr3+/Yb3+-codoped fluorosilicate glass. Journal of Non-Crystalline Solids, 2012, 358 (9), pp.1217-1220. ⟨10.1016/j.jnoncrysol.2012.02.024⟩. ⟨hal-00848914⟩
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