Highly efficient light-harvesting ruthenium sensitizer for thin-film dye-sensitized solar cells.
basic_science · Level V
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- Record sourced from PubMed, PMID 19746929.
- Also identified by DOI 10.1021/nn900756s.
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Abstract
A high molar extinction coefficient heteroleptic ruthenium complex, incorporating an electron-rich hexylthio-terminal chain, has been synthesized and demonstrated as an efficient sensitizer for dye-sensitized solar cells. With this new sensitizer excellent power conversion efficiency is 11.5% and 4.7% obtained under an irradiation of full sunlight (air mass 1.5 global) in combination with a volatility electrolyte and solid state hole transporting material, respectively. The devices with low volatility electrolyte showed good stability under visible-light soaking at 60 degrees C during 1000 h of accelerated tests.