Computational study of the lowest triplet state of ruthenium polypyridyl complexes used in artificial photosynthesis

被引:58
作者
Borg, O. Anders [1 ]
Godinho, Sofia S. M. C. [1 ]
Lundqvist, Maria J. [1 ]
Lunell, Sten [1 ]
Persson, Petter
机构
[1] Uppsala Univ, Dept Quantum Chem, SE-75120 Uppsala, Sweden
关键词
D O I
10.1021/jp8000702
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The potential energy surfaces of the first excited triplet state of some ruthenium polypyridyl complexes were investigated by means of density functional theory. Focus was placed on the interaction between the geometrical changes accompanying the photoactivity of these complexes when used as antenna complexes in artificial photosynthesis and dye-sensitized solar cells and the accompanying changes in electronic structure. The loss process (MLCT)-M-3 -> (MC)-M-3 can be understood by means of ligand-field splitting, traced down to the coordination of the central ruthenium atom.
引用
收藏
页码:4470 / 4476
页数:7
相关论文
共 52 条
[1]   A new strategy for the improvement of photophysical properties in ruthenium(II) polypyridyl complexes.: Synthesis and photophysical and electrochemical characterization of six mononuclear ruthenium(II) bisterpyridine-type complexes [J].
Abrahamsson, M ;
Wolpher, H ;
Johansson, O ;
Larsson, J ;
Kritikos, M ;
Eriksson, L ;
Norrby, PO ;
Bergquist, J ;
Sun, LC ;
Åkermark, B ;
Hammarstrom, L .
INORGANIC CHEMISTRY, 2005, 44 (09) :3215-3225
[2]   A 3.0 μs room temperature excited state lifetime of a bistridentate RuII-polypyridine complex for rod-like molecular arrays [J].
Abrahamsson, Maria ;
Jager, Michael ;
Osterman, Tomas ;
Eriksson, Lars ;
Persson, Petter ;
Becker, Hans-Christian ;
Johansson, Olof ;
Hammarstrom, Leif .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2006, 128 (39) :12616-12617
[3]   Ruthenium-manganese complexes for artificial photosynthesis:: Factors controlling intramolecular electron transfer and excited-state quenching reactions [J].
Abrahamsson, MLA ;
Baudin, HB ;
Tran, A ;
Philouze, C ;
Berg, KE ;
Raymond-Johansson, MK ;
Sun, LC ;
Åkermark, B ;
Styring, S ;
Hammarstrom, L .
INORGANIC CHEMISTRY, 2002, 41 (06) :1534-1544
[4]   Design of novel efficient sensitizing dye for nanocrystalline TiO2 solar cell; tripyridine-thiolato (4,4′,4"-tricarboxy-2,2′:6′,2"-terpyridine)ruthenium(II) [J].
Aiga, F ;
Tada, T .
SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2005, 85 (03) :437-446
[5]   Chemical approaches to artificial photosynthesis. 2 [J].
Alstrum-Acevedo, JH ;
Brennaman, MK ;
Meyer, TJ .
INORGANIC CHEMISTRY, 2005, 44 (20) :6802-6827
[6]   The triplet excited state of ruthenium(II) bis(2,2:6′,2"-terpyridine):: Comparison between experiment and theory [J].
Amini, A ;
Harriman, A ;
Mayeux, A .
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2004, 6 (06) :1157-1164
[7]   DENSITY-FUNCTIONAL THERMOCHEMISTRY .3. THE ROLE OF EXACT EXCHANGE [J].
BECKE, AD .
JOURNAL OF CHEMICAL PHYSICS, 1993, 98 (07) :5648-5652
[8]  
Berg KE, 2001, EUR J INORG CHEM, P1019
[9]  
BERGLUND H, 2002, J PHYS CHEM A, V106, P4312
[10]   Light induced manganese oxidation and long-lived charge separation in a Mn2II,II-RuII (bpy)3-acceptor triad [J].
Borgström, M ;
Shaikh, N ;
Johansson, O ;
Anderlund, MF ;
Styring, S ;
Åkermark, B ;
Magnuson, A ;
Hammarström, L .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (49) :17504-17515