A Broadly Absorbing Perylene Dye for Solid-State Dye-Sensitized Solar Cells
The Journal of Physical Chemistry C2009Vol. 113(33), pp. 14595–14597
Citations Over TimeTop 10% of 2009 papers
Ute B. Cappel, Martin Karlsson, Neil G. Pschirer, Felix T. Eickemeyer, Jan Schöneboom, Peter Erk, Gerrit Boschloo, Anders Hagfeldt
Abstract
We present a new perylene sensitizer, ID176, for dye-sensitized solar cells (DSCs). The dye has the capability for very high photocurrents due to strong absorption from 400 to over 700 nm. Photocurrents of up to 9 mA cm−2 were achieved in solid-state DSCs employing the hole conductor 2,2′7,7′-tetrakis-(N,N-di-p-methoxyphenylamine)-9,9′-spirobifluorene (spiro-MeOTAD), with a conversion efficiency of 3.2%. In contrast, the sensitizer did not perform well in conjunction with liquid iodide/tri-iodide electrolytes, suggesting a difference in the injection and regeneration mechanisms in these two types of dye-sensitized solar cells.
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