Joseph, J. and Son, K.M. and Lee, W. and Kim, K.J.
(2006)
Quasi-solid-state dye-sensitized solar cells with siloxane poly(ethylene glycol) hybrid gel electrolyte.
Semiconductor Science and Technology, 21 (5).
pp. 697-701.
ISSN 0268-1242
Abstract
A new type of hybrid gel electrolyte matrix based on tetraethyl orthosilicate
(TEOS) and poly(ethylene glycol) (Mw 200, PEG200) was developed for
dye-sensitized solar cells (DSSCs). The quasi-solid-state DSSC containing
the hybrid gel electrolyte rendered an open-circuit voltage of 0.74 V, a
short-circuit photocurrent density of 9.2 mA cm−2 and a fill factor of 0.61 at
100 mW cm−2, and consequently an overall solar energy conversion
efficiency of 4.1%. TiO2 films and gels were characterized by FE-SEM and
FT-IR, and the assembled DSSCs by photocurrent density–voltage and
incident photon-to-current conversion efficiency measurements.
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