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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 3
BKCSDE 34(3)
March 20, 2013

Title	Novel Application of Platinum Ink for Counter Electrode Preparation in Dye Sensitized Solar Cells
Author	Sang Hern Kim*, Chang Woo Park
Keywords	Dye sensitized solar cell, Counter electrode, Nanoparticles, Platinum, Conversion efficiency
Abstract	Platinized counter electrode is common in most of the dye sensitized solar cell (DSSC) researches because of its high catalytic activity and corrosion stability against iodine in the electrolyte. Platinum (Pt) film coating on fluorine doped tin oxide (FTO) glass surface by using alcoholic solution of hexachloroplatinic acid (H2PtCl6), paste containing Pt precursors or sputtering are widely used techniques. This paper presents a novel application of Pt ink containing nanoparticles for making platinized counter electrode for DSSC. The characteristics of Pt films coated on FTO glass surface by different chemical methods were compared along with the performance parameters of the DSSCs made by using the films as counter electrodes. The samples coated with Pt inks were sintered at 300 oC for 30 minutes whereas Pt-film and Pt-paste were sintered at 400 oC for 30 minutes. The Pt ink diluted in n-hexane was found to a promising candidate for the preparation of platinized counter electrode. The ink may also be applicable for DSSC on flexible substrates after optimization its sintering temperature.
Page	831 - 836
Full Text	PDF

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