Ruthenium(II) Sensitizers with Heteroleptic Tridentate Chelates for Dye-Sensitized Solar Cells

Ruthenium(II) Sensitizers with Heteroleptic Tridentate Chelates for Dye-Sensitized Solar Cells

Two new for Ru: Unprecedented RuII sensitizers are coordinated by two tridentate ligands, a tricarboxyterpyridine, and a dianionic bis(pyrazolyl)pyridine derivative with an extended π‐conjugated auxochrome (see picture, Ru magenta, N blue, O red, F green, S yellow, C gray). This new generation of th...

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Veröffentlicht in:Angewandte Chemie (International ed.) 2011-02, Vol.50 (9), p.2054-2058
Hauptverfasser: Chou, Chun-Cheng, Wu, Kuan-Lin, Chi, Yun, Hu, Wei-Ping, Yu, Shuchun Joyce, Lee, Gene-Hsiang, Lin, Chia-Li, Chou, Pi-Tai
Format: Artikel
Sprache:eng
Schlagworte:
Chelates
N ligands
pyrazole
Ruthenium
sensitizers
Solar cells
thiophene
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Zusammenfassung:Two new for Ru: Unprecedented RuII sensitizers are coordinated by two tridentate ligands, a tricarboxyterpyridine, and a dianionic bis(pyrazolyl)pyridine derivative with an extended π‐conjugated auxochrome (see picture, Ru magenta, N blue, O red, F green, S yellow, C gray). This new generation of thiocyanate‐free RuII sensitizers offers solar conversion efficiency in dye‐sensitized solar cells up to η=10.7 %.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201006629