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http://dx.doi.org/10.5012/bkcs.2013.34.3.831

Novel Application of Platinum Ink for Counter Electrode Preparation in Dye Sensitized Solar Cells  

Kim, Sang Hern (Department of Applied Chemistry, Hanbat National University)
Park, Chang Woo (Department of Applied Chemistry, Hanbat National University)
Publication Information
Bulletin of the Korean Chemical Society / v.34, no.3, 2013 , pp. 831-836 More about this Journal
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 ($H_2PtCl_6$), 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 $300^{\circ}C$ for 30 minutes whereas Pt-film and Pt-paste were sintered at $400^{\circ}C$ 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.
Keywords
Dye sensitized solar cell; Counter electrode; Nanoparticles; Platinum; Conversion efficiency;
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