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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 9
BKCSDE 34(9)
September 20, 2013

Title	Novel Pyridinium Iodide Containing Siloxane High Performance Electrolyte for Dye-Sensitized Solar Cell
Author	Soonho Lee, Youngtae Jeon, Youngdon Lim, Younggil Cho, Sangyoung Lee, Whangi Kim*
Keywords	Ionic liquid, Electrolyte, Dye sensitized solar cell, Pyridinium iodide, DSSCs
Abstract	A new type of solid and gel-state ionics based on siloxane pyridinium iodides was synthesized and used as electrolytes in dye-sensitized solar cells. The resulting electrolytes were characterized by 1H NMR spectroscopy, TGA and diffusion coefficient. The synthesized siloxane pyridinium iodide electrolytes have characteristics of different chain length of siloxane moieties. The ion conductivities were given 2.7-3.2 S/cm. Among the three SiDPIs based electrolytes, DSSC employing the SiDPI2 gives an open circuit voltage of 0.704 V, a short-circuit current of 15.85 mA/cm2 and conversion efficiency of 6.8% under light intensity of 100 mW/cm2. In addition, the performance of the DSSCs showed relatively reasonable compared with the propylpyridinium iodide (PPI) electrolyte.
Page	2583 - 2588
Full Text	PDF

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