论文信息 - Series-connected tandem dye-sensitized solar cell for improving efficiency to more than 10%

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

Abstract 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.

Hironori Arakawa | Takeshi Yamaguchi | Yuki Uchida | Shinya Agatsuma

[1] Hironori Arakawa,et al. Significant influence of TiO2 photoelectrode morphology on the energy conversion efficiency of N719 dye-sensitized solar cell , 2004 .

[2] Ashraful Islam,et al. Dye-Sensitized Solar Cells with Conversion Efficiency of 11.1% , 2006 .

[3] P. Liska,et al. Engineering of efficient panchromatic sensitizers for nanocrystalline TiO(2)-based solar cells. , 2001, Journal of the American Chemical Society.

[4] C. Bignozzi,et al. Sensitization of nanocrystalline TiO2 with black absorbers based on Os and Ru polypyridine complexes. , 2005, Journal of the American Chemical Society.

[5] Michael Dürr,et al. Tandem dye-sensitized solar cell for improved power conversion efficiencies , 2004 .

[6] Takayuki Kitamura,et al. Dye-sensitized solar cells: improvement of spectral response by tandem structure , 2004 .

[7] Liyuan Han,et al. Synthesis and Characterization of New Efficient Tricarboxyterpyridyl (β-diketonato) Ruthenium(II) Sensitizers and Their Applications in Dye-Sensitized Solar Cells , 2006 .

[8] P. Liska,et al. Acid-Base Equilibria of (2,2'-Bipyridyl-4,4'-dicarboxylic acid)ruthenium(II) Complexes and the Effect of Protonation on Charge-Transfer Sensitization of Nanocrystalline Titania. , 1999, Inorganic chemistry.