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New Efficiency Records for Stable Dye-Sensitized Solar Cells with Low-Volatility and Ionic Liquid Electrolytes
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Changchun Institute of Applied Chemistry, Chinese Academy of Sciences.
, ‡Swiss Federal Institute of Technology.
Abstract
We report a high molar extinction coefficient heteroleptic polypyridyl ruthenium sensitizer, featuring an electron-rich 3,4-ethylenedioxythiophene unit in its ancillary ligand. A nanocrystalline titania film stained with this sensitizer shows an improved optical absorption, which is highly desirable for practical dye-sensitized solar cells with a thin photoactive layer, facilitating the efficient charge collection. In conjunction with low-volatility and solvent-free electrolytes, we achieved 9.6−10.0% and 8.5−9.1% efficiencies under the air-mass 1.5 global solar illumination. These dye-sensitized solar cells retain over 90% of the initial performance after 1000 h full sunlight soaking at 60 °C.
Citing Articles
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This article has been cited by 28 ACS Journal articles (5 most recent appear below).
A New Class of Cyclometalated Ruthenium Sensitizers of the Type ĈN̂N for Efficient Dye-Sensitized Solar Cells
Jeum-Jong Kim, Hyunbong Choi, Sanghyun Paek, Chulwoo Kim, Kimin Lim, Myung-Jong Ju, Hong Seok Kang, Moon-Sung Kang, and Jaejung KoInorganic Chemistry2011 50 (22), 11340-11347A New Class of Cyclometalated Ruthenium Sensitizers of the Type ĈN̂N for Efficient Dye-Sensitized Solar Cells
Jeum-Jong Kim, Hyunbong Choi, Sanghyun Paek, Chulwoo Kim, Kimin Lim, Myung-Jong Ju, Hong Seok Kang, Moon-Sung Kang, and Jaejung KoInorganic Chemistry2011 50 (22), 11340-11347A new class of cyclometalated ruthenium sensitizers incorporating a ĈN̂N ligand and conjugated 2,2′-bipyridine in the ancillary ligand have been designed and synthesized. The photovoltaic performance of JK-206 using an electrolyte containing 0.6 M 1,2-...
Ruthenium Sensitizer with Thienothiophene-Linked Carbazole Antennas in Conjunction with Liquid Electrolytes for Dye-Sensitized Solar Cells
Chia-Yuan Chen, Nuttapol Pootrakulchote, Tzu-Hao Hung, Chun-Jui Tan, Hui-Hsu Tsai, Shaik M. Zakeeruddin, Chun-Guey Wu, and Michael GrätzelThe Journal of Physical Chemistry C2011 115 (40), 20043-20050Ruthenium Sensitizer with Thienothiophene-Linked Carbazole Antennas in Conjunction with Liquid Electrolytes for Dye-Sensitized Solar Cells
Chia-Yuan Chen, Nuttapol Pootrakulchote, Tzu-Hao Hung, Chun-Jui Tan, Hui-Hsu Tsai, Shaik M. Zakeeruddin, Chun-Guey Wu, and Michael GrätzelThe Journal of Physical Chemistry C2011 115 (40), 20043-20050A new heteroleptic ruthenium complex, coded CYC-B12, incorporating an antenna ligand composed of sequential connections of a thienothiophene conjugated bridge and carbazole hole-transport moiety was prepared. This new sensitizer exhibits a lower energy ...
Butyronitrile-Based Electrolyte for Dye-Sensitized Solar Cells
Frédéric Sauvage, Sarine Chhor, Arianna Marchioro, Jacques-E. Moser, and Michael GraetzelJournal of the American Chemical Society2011 Article ASAPButyronitrile-Based Electrolyte for Dye-Sensitized Solar Cells
Frédéric Sauvage, Sarine Chhor, Arianna Marchioro, Jacques-E. Moser, and Michael GraetzelJournal of the American Chemical Society2011 Article ASAPWe elaborated a new electrolyte composition, based on butyronitrile solvent, that exhibits low volatility for use in dye-sensitized solar cells. The strong point of this new class of electrolyte is that it combines high efficiency and excellent stability ...
Electron Transfer Dynamics in Dye-Sensitized Solar Cells
Andrea Listorti, Brian O’Regan, and James R DurrantChemistry of Materials2011 Article ASAPElectron Transfer Dynamics in Dye-Sensitized Solar Cells
Andrea Listorti, Brian O’Regan, and James R DurrantChemistry of Materials2011 Article ASAPIn this review, we address the materials design parameters that control the processes of charge separation, and thereby device efficiency, in dye-sensitized photoelectrochemical solar cells. The review starts with an overview of the structure, energetics ...
Improved Efficiency of over 10% in Dye-Sensitized Solar Cells with a Ruthenium Complex and an Organic Dye Heterogeneously Positioning on a Single TiO2 Electrode
Sheng-Qiang Fan, Chulwoo Kim, Baizeng Fang, Kai-Xing Liao, Guan-Jun Yang, Chang-Jiu Li, Jeum-Jong Kim, and Jaejung KoThe Journal of Physical Chemistry C2011 115 (15), 7747-7754Improved Efficiency of over 10% in Dye-Sensitized Solar Cells with a Ruthenium Complex and an Organic Dye Heterogeneously Positioning on a Single TiO2 Electrode
Sheng-Qiang Fan, Chulwoo Kim, Baizeng Fang, Kai-Xing Liao, Guan-Jun Yang, Chang-Jiu Li, Jeum-Jong Kim, and Jaejung KoThe Journal of Physical Chemistry C2011 115 (15), 7747-7754A ruthenium complex (JK-142) with an ancillary bipyridyl ligand substituted by a 3-carbazole-2-thiophenyl moiety was synthesized and explored as a sensitizer in cosensitized solar cells in combination with an organic dye (JK-62). The extended π-...
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History
- Published In Issue November 06, 2008
- Article ASAPOctober 11, 2008
- Received: September 9, 2008
Revised: October 3, 2008
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