Eu3+DOPED SILICA FILM AS LUMINESCENT DOWN-SHIFTING LAYER FOR CRYSTALLINESiSOLAR CELLS

Zujun Cheng, Likun Pan (), Fenfang Su, Meiling Cao and Zhuo Sun
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Zujun Cheng: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, China 200062, China
Likun Pan: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, China 200062, China
Fenfang Su: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, China 200062, China
Meiling Cao: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, China 200062, China
Zhuo Sun: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, China 200062, China

Surface Review and Letters (SRL), 2009, vol. 16, issue 05, 669-673

Abstract: Eu3+doped silica films have been prepared by sol–gel method and employed as luminescent down-shifting layer on the front side of a crystallineSisolar cell to improve their conversion efficiency. Measurements under standard test conditions (AM1.5, 100 mW/cm2) show the conversion efficiency ofSisolar cell with silica film containingEu3+is improved 9.5% maximally as compared to theSisolar cell with pure silica film. However, highEu3+concentration is not encouraged because concentration quenching effect will decrease the efficiency of the solar cell.

Keywords: Solar cell; conversion efficiency; Eu3+; sol–gel method (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S0218625X09013141

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