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A series of Ru(II) polypyridyl complexes were evaluated under electrochemically oxidative conditions, which generates the Ru(III) oxidation state and mimics the harsh conditions in dye-sensitized solar cells, to develop fundamental insights into the factors governing molecular sensitizer surface stability. Results … Read more

Interfacial dynamics following photoexcitation of a water oxidation assembly on nanocrystalline TiO2 electrodes have been investigated. Transient absorption measurements reveal that electron injection occurs with high efficiency but that hole transfer to the catalyst, which occurs on the electrochemical time … Read more