Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3556316
Title: Near-infrared emission from Eu-Yb doped silicate glasses subjected to thermal reduction
Authors: Smedskjaer, M.M.
Qiu, J.
Wang, J. 
Yue, Y.
Issue Date: 14-Feb-2011
Citation: Smedskjaer, M.M., Qiu, J., Wang, J., Yue, Y. (2011-02-14). Near-infrared emission from Eu-Yb doped silicate glasses subjected to thermal reduction. Applied Physics Letters 98 (7) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3556316
Abstract: Quantum cutting (QC) is a promising approach for enhancing the energy conversion efficiency of solar cells since it allows for conversion of one ultraviolet photon from the sun into two near-infrared photons with energy comparable to the band gap of silicon solar cells. We find that QC can occur by cooperative energy transfer from Eu2+ to Yb3+ in soda-lime-silicate glasses subjected to thermal reduction around the glass transition temperature. Besides the QC effect, the thermal reduction results in improvement of surface performances, e.g., hardness. This synergy effect potentially makes the thermally reduced glass an ideal solar cell substrate material. © 2011 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/86591
ISSN: 00036951
DOI: 10.1063/1.3556316
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