Near infrared quantum cutting in heavy Yb doped Ce0.03Yb 3xY(2.97-3x)Al5O12 transparent ceramics for crystalline silicon solar cells

Hui Lin, Shengming Zhou, Hao Teng, Yukun Li, Wenjie Li, Xiaorui Hou, Tingting Jia

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Near infrared (NIR) quantum cutting involving the conversion of an absorbed blue photon into two NIR photons emission has been realized in heavy Yb doped Ce0.03Yb3xY(2.97-3x)Al5O 12 (x=0.1, 0.25, and 0.5) transparent ceramics. Upon the 467 nm excitation, the energy transfer process was dominated by the cooperative downconversion from the 5d1 state of one Ce3+ ion to the 2F5/2 state of two Yb3+ ions. The influence of the Ce4+ - Yb2+ charge transfer state (CTS) should not contribute much to the energy transfer process for the large energy gap between Ce3+:5d1 and the CTS. The calculated quantum yield of Yb3+ for the x=0.25 sample without concentration quenching was 175.4%.

Original languageEnglish (US)
Article number043107
JournalJournal of Applied Physics
Issue number4
StatePublished - 2010

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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