Journal
ACS NANO
Volume 3, Issue 10, Pages 3103-3109Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn900756s
Keywords
solar cell; ruthenium; sensitizer; thiophene; impedance spectroscopy; photovoltage transient spectroscopy
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Funding
- National Science Council, Taiwan
- ROC
- Swiss National Science Foundation
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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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