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Functionalized Graphene as a Catalytic Counter Electrode in Dye-Sensitized

Summary: Functionalized Graphene as a Catalytic
Counter Electrode in Dye-Sensitized
Solar Cells
Joseph D. Roy-Mayhew, David J. Bozym, Christian Punckt, and Ilhan A. Aksay*
Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
ye-sensitized solar cells (DSSCs)
have received much attention as
an alternative to silicon-based so-
lar cells due to their potential low cost, easy
fabrication, and respectable energy conver-
sion efficiency (over 10%).1,2
In typical DSSC
architectures, the photon-induced oxida-
tion of a dye occurs at a TiO2 photoanode,
while the reduction of the redox species
used to regenerate the dye occurs at the
counter electrode. The standard redox
couple used for dye regeneration, iodide/
triiodide (I /I3 ), has unmatched perfor-


Source: Aksay, Ilhan A. - Department of Chemical Engineering, Princeton University


Collections: Materials Science