Water-splitting dye-sensitized solar cells (WS-DSPECs) co-deposit a visible light molecular sensitizer and water oxidation catalyst onto a mesoporous TiO2 electrode. After photoinjection of electrons into TiO2, the sensitizer layer transports holes to the catalyst. In this presentation we will describe the characterization and performance of a novel, crystalline, sintered-IrO2 catalyst for use in WS-DSPECs. Compared to ligand attached catalysts, the sintered IrO2 exhibits enhanced performance. For the first time, we directly quantify the loading of a heterogeneous catalyst within a WS-DSPEC and describe electron scavenging by a water oxidation catalyst, which has significant implications on the photoelectrochemical performance of the WS-DSPEC.

Photoelectrochemical performance of sintered IrO<sub>2</sub> in water-splitting dye sensitized solar cells

248th National Meeting (2014)

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Photoelectrochemical performance of sintered IrO2 in water-splitting dye sensitized solar cells

Photoelectrochemical performance of sintered IrO₂ in water-splitting dye sensitized solar cells