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Title: Enhancing near-infrared solar cell response using upconverting transparentceramics
Authors: Liu, M.
Lu, Y.
Xie, Z.B. 
Chow, G.M. 
Keywords: Dye-sensitized solar cells
Rare earth
Spectral response
Issue Date: Feb-2011
Citation: Liu, M., Lu, Y., Xie, Z.B., Chow, G.M. (2011-02). Enhancing near-infrared solar cell response using upconverting transparentceramics. Solar Energy Materials and Solar Cells 95 (2) : 800-803. ScholarBank@NUS Repository.
Abstract: In order to demonstrate efficiency improvement of solar cells through utilization of frequency-shifted sub-band-gap photons, we prepared Y 3Al5O12 transparent ceramics co-doped with 3.0 at% Yb3 and 0.5 at% Er3 (YAG:3.0Yb/0.5Er) by solid state reaction. The material's upconversion luminescence was investigated and it was found that near-infrared light could be effectively converted to green light centered at 563 nm, where a dye-sensitized solar cell normally possessed high spectral response. Using a thin disk of YAG:3.0Yb/0.5Er transparent ceramics attached to the rear of the dye-sensitized solar cell, the near-infrared response of the dye-sensitized solar cell was enhanced, due to the frequency upconversion. © 2010 Elsevier B.V. All rights reserved.
Source Title: Solar Energy Materials and Solar Cells
ISSN: 09270248
DOI: 10.1016/j.solmat.2010.09.018
Appears in Collections:Staff Publications

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