25 March 2013 Nanostructured down-converter module for photovoltaic application
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Abstract
In silicon-based solar cells, a substantial part of the energy losses is related to the charge carriers thermalization in the UV-blue range and the week carriers collection at these wavelenghts. To avoid this issue, we introduce a new concept which combines a rare-earths doped thin layer with a photonic crystal (PC) layer, allowing an efficient conversion from UV-blue photons to near-IR photons. We report on the feasibility of such a nanostructured down-converter module using an active rare-earth doped CaYAlO4 thin layer and a silicon nitride PC on top. By means of optical numerical simulations, the promising potentialities of the concept are demonstrated.
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Thierry Deschamps, Thierry Deschamps, Antoine Guille, Antoine Guille, Emmanuel Drouard, Emmanuel Drouard, Radoslaw Mazurczyk, Radoslaw Mazurczyk, Régis Orobtchouk, Régis Orobtchouk, Cecile Jamois, Cecile Jamois, Alain Fave, Alain Fave, Romain Peretti, Romain Peretti, Erwann Fourmond, Erwann Fourmond, Antonio Pereira, Antonio Pereira, Bernard Moine, Bernard Moine, Christian Seassal, Christian Seassal, } "Nanostructured down-converter module for photovoltaic application", Proc. SPIE 8620, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices II, 86200G (25 March 2013); doi: 10.1117/12.2003640; https://doi.org/10.1117/12.2003640
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