Synthesis and Photophysics of One Mononuclear Mn(III) and One Dinuclear Mn(III,III) Complex Covalently Linked to a Ruthenium(II) Tris(bipyridyl) Complex

Anh Johansson, Malin Abrahamsson, Ann Magnuson, Ping Huang, Jerker Mårtensson, Stenbjörn Styring, Leif Hammarström, Licheng Sun, Björn Åkermark

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Abstract

The preparation of donor (D)-photosensitizer (S) arrays, consisting of a manganese complex as D and a ruthenium tris(bipyridyl) complex as S has been pursued. Two new ruthenium complexes containing coordinating sites for one (2a) and two manganese ions (3a) were prepared in order to provide models for the donor side of photosystem II in green plants. The manganese coordinating site consists of bridging and terminal phenolate as well as terminal pyridyl ligands. The corresponding ruthenium-manganese complexes, a manganese monomer 2b and dimer 3b, were obtained. For the dimer 3b, our data suggest that intramolecular electron transfer from manganese to photogenerated ruthenium(III) is fast, kET > 5 × 107 S-1.

Original languageEnglish
Pages (from-to)7502-7511
Number of pages10
JournalInorganic Chemistry
Volume42
Issue number23
DOIs
Publication statusPublished - Nov 17 2003

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2,2'-Dipyridyl
Ruthenium
Manganese
ruthenium
manganese
synthesis
Dimers
dimers
manganese ions
Photosensitizing Agents
Photosystem II Protein Complex
electron transfer
monomers
Monomers
preparation
ligands
Ions
Ligands
Electrons

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

Johansson, A., Abrahamsson, M., Magnuson, A., Huang, P., Mårtensson, J., Styring, S., ... Åkermark, B. (2003). Synthesis and Photophysics of One Mononuclear Mn(III) and One Dinuclear Mn(III,III) Complex Covalently Linked to a Ruthenium(II) Tris(bipyridyl) Complex. Inorganic Chemistry, 42(23), 7502-7511. https://doi.org/10.1021/ic0344822

Synthesis and Photophysics of One Mononuclear Mn(III) and One Dinuclear Mn(III,III) Complex Covalently Linked to a Ruthenium(II) Tris(bipyridyl) Complex. / Johansson, Anh; Abrahamsson, Malin; Magnuson, Ann; Huang, Ping; Mårtensson, Jerker; Styring, Stenbjörn; Hammarström, Leif; Sun, Licheng; Åkermark, Björn.

In: Inorganic Chemistry, Vol. 42, No. 23, 17.11.2003, p. 7502-7511.

Research output: Contribution to journalArticle

Johansson, Anh ; Abrahamsson, Malin ; Magnuson, Ann ; Huang, Ping ; Mårtensson, Jerker ; Styring, Stenbjörn ; Hammarström, Leif ; Sun, Licheng ; Åkermark, Björn. / Synthesis and Photophysics of One Mononuclear Mn(III) and One Dinuclear Mn(III,III) Complex Covalently Linked to a Ruthenium(II) Tris(bipyridyl) Complex. In: Inorganic Chemistry. 2003 ; Vol. 42, No. 23. pp. 7502-7511.
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AU - Mårtensson, Jerker

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