Proceedings of 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14)
Publication date: 1st March 2014
The organic materials such as polymers and oligomers were used in the electrolyte to obtain the solid state electrolyte for dye-sensitized solar cells (DSSCs) [1-3]. In the paste decades, poly(vinylidenefloride), poly(vinylidenefluoride-co-hexafluoropropylene), poly(ethylene glycol), and poly(ethylene oxide) were used as a matrix to solid state electrolytes [4-5].
In this strudy, the chemically crosslinked polymer electrolytes based on poly(1-vinyl imidazole-co-ethylene glycol methyl ether acrylate) (P(VIm-co-EGMEA)) as a backbone polymer and 1,5 diiodopentane as a crosslinker were used for DSSCs. The precursor electrolyters were consisting of iodine, P(VIm-co-EGMEA) and 1,5-diiodopentane in acetonitrile. The precursor electrolytes were heated to form the chemically crosslinked polymer electrolytes. Crosslinking reactions occurred between nitrogene atom of the P(VIm-co-EGMEA) which has lone pair electron and diiodide of 1,5-diiodopentane. DSSCs using these electrolytes were fabricated and their photovoltaic performances measured by using a Solar Simulator. In order to characterize the electrolytes, the resistance of DSSCs and the ionic conductivity of the electrolyte were examined by Electrochemical Impedance Spectroscopy (EIS).
1. Kubo W.; Kambe S.; Nkakade S.; Kitamura T.; Hanabusa K.; Wada Y.; Yanagida S. J. Phys. Chem. B 2003, 107, 4374. 2. Kang M.S.; Ahn K.S.; Lee J.W. J. power sources 2008, 180, 896. 3. Li Z.; Su G.; Wang X.; Gao D.; Solid State Ionics 2005, 176, 1903. 4. Sapp S.A.; Elliott C.M.; Contado C.; Caramori S.; Bignozzi C.A. J. Am. Chem. Soc. 2002, 124, 11215. 5. Yang Y.; Zhang J.; Zhou C.; Wu S.; Xu S.; Liu W.; Han H.; Chen B.; Zhao X.Z. J. Phys. Chem. B 2008, 112, 6594.
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