Highly Efficient Light-Harvesting Ruthenium Sensitizer for Thin-Film Dye-Sensitized Solar Cells
Chia‐Yuan Chen(National Central University), Mingkui Wang(École Polytechnique Fédérale de Lausanne), Jheng-Ying Li(National Central University), Nuttapol Pootrakulchote(École Polytechnique Fédérale de Lausanne), Leila Alibabaei(École Polytechnique Fédérale de Lausanne), Cevey-ha Ngoc-le(École Polytechnique Fédérale de Lausanne), Jean‐David Decoppet(École Polytechnique Fédérale de Lausanne), Jia-Hung Tsai(National Central University), Carole Grätzel(École Polytechnique Fédérale de Lausanne), Chun‐Guey Wu(National Central University), Shaik M. Zakeeruddin(École Polytechnique Fédérale de Lausanne), Michaël Grätzel(École Polytechnique Fédérale de Lausanne)
Cited by 1,278Open Access
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.
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