Characterization and Application of Ru2+ Complex with Square-Planar Quadridentate Ligand Containing Arylamines for Dye-Sensitized Solar Cells
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概要
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A square-planar quadridentate ligand with two N-arylamine groups, dimethyl-6,6'-bis(methyl-2-pyridylamino)-2,2'-bipyridine-4,4'-dicarboxylate (L), and its Ru2+ complex [RuL(trans-NCS)2] (K1) were newly synthesized as a sensitizer for dye-sensitized solar cells (DSSCs). The ligand L enforces the trans coordination of two thiocyanate ligands to the Ru2+ center of K1, resulting in the extension of its absorption bands to the near-infrared region ({\sim}900 nm). The energy conversion efficiency (\eta) of the DSSC based on K1 was 5.2%. This low \eta value in comparison with those of other dyes (N3 and N719) is explained by its self-aggregation and its low molar absorbance coefficient in the visible light region. The incident photo-to-current conversion efficiency (IPCE) spectrum of the DSSC based on K1 clearly indicated that this dye was able to utilize near-infrared-region light efficiently as compared with that of N719 dye.
- 2013-01-25
著者
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Ozawa Tomohiro
Department Of Applied Chemistry Faculty Of Engineering Nagoya Institute Of Technology
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INOMATA Tomohiko
Department of Applied Chemistry, Nagoya Institute of Technology
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Funahashi Yasuhiro
Department Of Applied Chemistry Graduate School Of Engineering Nagoya Institute Of Technology
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Yamamoto Kousuke
Department Of Mechanical Engineering College Of Science And Technology Nihon University
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Masuda Hideki
Department Of Applied Chemistry Faculty Of Engineering Nagoya Institute Of Technology
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Funahashi Yasuhiro
Department of Material Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan
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Inomata Tomohiko
Department of Material Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan
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Yamamoto Kousuke
Department of Material Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan
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