Series-connected tandem dye-sensitized solar cell for improving efficiency to more than 10

As one of the methods for improving the efficiency of a dye-sensitized solar cell (DSC), we investigated series-connected tandem DSCs. In this system, the top cell is made up of a transparent cell and the bottom cell utilizes only the light passing through the top cell. We investigated several combi...

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Bibliographic Details
Published in:Solar energy materials and solar cells 2009-06, Vol.93 (6), p.733-736
Main Authors: Yamaguchi, Takeshi, Uchida, Yuki, Agatsuma, Shinya, Arakawa, Hironori
Format: Article
Language:English
Subjects:
Applied sciences
Dye-sensitized solar cell
Effective utilization of light energy
Energy
Exact sciences and technology
Natural energy
Photovoltaic conversion
Series-connected tandem cell
Solar cells. Photoelectrochemical cells
Solar energy
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Summary:As one of the methods for improving the efficiency of a dye-sensitized solar cell (DSC), we investigated series-connected tandem DSCs. In this system, the top cell is made up of a transparent cell and the bottom cell utilizes only the light passing through the top cell. We investigated several combinations of dyes in tandem-type DSCs. The best efficiency obtained in our study is 10.4% ( J sc=10.8 mA/cm 2, V oc=1.45 V, and FF=0.67) for a series-connected tandem DSC consisting of an N719 top cell and a black-dye bottom cell.
ISSN:0927-0248
1879-3398
DOI:10.1016/j.solmat.2008.09.021