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Quasi-solid state dye-sensitized solar cells based on the cross-linked poly(ethylene glycol) electrolyte with tetraethoxysilane

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Abstract

The cross-linked poly(ethylene glycol) (PEG-1000) was prepared by condensation reaction with tetraethoxysilane (TEOS). Using the cross-linked PEG-1000 as polymer host, 0.60 M KI and 0.06 M I2 as ionic conductors, an ionic conductivity of the polymer electrolyte was achieved 3.12 mS cm−1. Based on the optimized cross-linked PEG electrolyte, the best result of the quasi-solid state dye-sensitized solar cell (QS-DSSC) was the short-circuit photocurrent of 11.87 mA cm−2, the open-circuit photovoltage of 706 mV, the fill factor of 0.593 and the light-to-electricity conversion efficiency of 4.97% at 100 mW cm−2 (AM 1.5). © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2011

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