Upconversion of sub-bandgap photons has been suggested to increase the efficiencies of silicon solar cells. Using model calculations we show that gold nanoparticles can enhance the upconversion intensities from erbium ions in a relevant geometry.
© 2012 OSA
G. Von Plessen, S. Fischer, F. Hallermann, D. Kumar, A. N. Sprafke, and J. C. Goldschmidt, "Gold Nanoparticle-enhanced Upconversion in Erbium Ions," in Renewable Energy and the Environment Optics and Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper PW2B.2.
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