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American Chemical Society, Journal of Physical Chemistry Letters, 12(4), p. 2073-2078, 2013

DOI: 10.1021/jz401050u

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Dye Sensitized Solar Cell with Integrated Triplet Triplet Annihilation Upconversion System

Journal article published in 2013 by Andrew Nattestad, Yuen Yap Cheng, Rowan W. MacQueen ORCID, Tim F. Schulze, Fletcher W. Thompson, Attila J. Mozer, Burkhard Fückel, Tony Khoury, Maxwell J. Crossley ORCID, Klaus Lips, Gordon G. Wallace, Timothy W. Schmidt
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Photon upconversion (UC) by triplet-triplet annihilation (TTA-UC) is employed in order to enhance the response of solar cells to sub-bandgap light. Here, we present the first report of an integrated photovoltaic device, combining a dye-sensitized solar cell (DSC) and TTA-UC system. The integrated device displays enhanced current under sub-bandgap illumination, resulting in a figure of merit (FoM) under low concentration (3 suns), which is competitive with the best values recorded to date for nonintegrated systems. Thus, we demonstrate both the compatibility of DSC and TTA-UC and a viable method for device integration.