Supramolecular Photochemistry and Artificial Photosynthesis

Björn Åkermark, prof. em.
Tel. +46-8-162332
Fax. +46-8-154908

Curriculum, 2001-03-13
Åkermark, Björn, Professor em. of Organic Chemistry (b. 1933), M.Sc. 1957, Ph.D 1967, both at the Royal Institute of Technology, Stockholm. Assistant Professor of Organic Chemistry, 1967, Associate Professor 1972, Professor 1980-1998, all at the Royal Institute of Technology. From 1999 research leader at Organic Chemistry, Stockholm University, together with prof. Licheng Sun.

Dean of undergraduate studies, Faculty of Chemistry and Chemical Engineering, Royal Institute of Technology, 1984-87 and 1994-97. Associated Professor, Colorado State University (USA) 1985. Visiting Scolar, Stanford University (USA), 1967-1968 and 1977-1978. Visiting Professor at the Universities of Napoli (Italy) 1987,1989, and 1992, and Aix-Marseilles (France) 1987. Consultant 1971-1994 and member of the research board 1985-1994, Nobel Industries. The Royal Institute Award for Excellence in Teaching 1987, Letterstedt Award, Swedish Academy of Sciences 1976, The Zorn Fellowship, Sweden-America Foundation, 1977, The Arrhenius Medal, Swedish Chemical Society, 1978, Dr. h.c., University D´Aix-Marseilles, ( France) 1997. Member of the Society for Living Pedgogues, European Academy of Sciences and Arts.

Research fields
A Synthesis of Ru-Tyr-Mn complexes as models for the electron donor side of Photosystem II
B Synthesis of Ru-Q or Ru-MV complexes as models for the electron acceptor side of Photosystem II
C Synthesis of dinuclear Mn complexse as catalysts for water oxidation
D Supramolecular photochemistry based on porphyrin, phthalocyanine and rhenium complex as photosensitizer

Representative publications
1 Licheng Sun, Stenbjörn Styring, Björn Åkermark, Leif Hammarström, “From Natural to Artificial Photosynthesis: Ruthenium-Manganese Chemistry for Energy Production”, Chem. Soc. Rev., 2001, 30, in press. On web published: November 28, 2000,
2 Martin Sjödin, Stenbjörn Styring, Björn Åkermark, Licheng Sun, Leif Hammarström, “Proton Coupled Electron Transfer from Tyrosine in a Tyrosine-Ruthenium-tris-Bipyridine Complex: Comparison with TyrosineZ Oxidation in Photosystem II.”, J. Am. Chem. Soc. 2000, 122, 3932-3936.
3 Licheng Sun, Mary Kathrine Ramond, Ann Magnuson, Denis LeGourriérec, Markus Tamm, Malin Abrahamsson, Ping Huang Kenéz, Jerker Mårtensson, Gunnar Stenhagen, Leif Hammarström, Stenbjörn Styring and Björn Åkermark, “Towards an Artificial Model for Photosystem II: A Mn Dimer Covalently Linked to Ruthenium(II) tris-Bipyridine via a Tyrosine Derivative”, J. Inorg. Biochem. 2000, 78, 15-22.
4 Licheng Sun, Mark Burkitt, Markus Tamm, Mary Kathrine Ramond, Malin Abrahamsson, Denis LeGourriérec, Yves Frapart, Ann Magnuson, Ping Huang Kenéz, Peter Brandt, Anh Tran, Leif Hammarström, Stenbjörn Styring and Björn Åkermark, “Hydrogen-Bond Promoted Electron Transfer to Photogenerated Ru(III): A Functional Mimic of TyrosineZ and Histidine 190 in Photosystem II”, J. Am. Chem. Soc. 1999, 121, 6834-6842.
5 Denis LeGourriérec, Mikael Andersson, Jan Davidsson, Emad Mukhtar, Licheng Sun, Leif Hammarström, “Photoinduced Electron Transfer from the Porphyrin S2 State in a Zinc Porphyrin-Ruthenium(II) tris-Bipyridine Dyad”, J. Phys. Chem. A 1999, 103, 557-559. CHEMTRACTS-INORGANIC CHEMISTRY 1999, 12, 863-869.
6 Ann Magnusson, Yves Frapart, Olivier Horner, Björn Åkermark, Licheng Sun, Jean-Jacques Girerd and Stenbjörn Styring, “A Biomimetic Model System for the Water Oxidizing Triad in Photosystem II”, J. Am. Chem. Soc. 1999, 121, 89-96.
7 Licheng Sun, Helena Berglund, Roman Davydov, Thomas Norrby, Leif Hammarström, Peter Korell, Anna Börje, Christian Philouze, Katja Berg, Anh Tran, Mikael Andersson, Gunnar Stenhagen, Jerker Mårtensson, Mats Almgren, Stenbjörn Styring, and Björn Åkermark, "Binuclear Ruthenium-Manganese Complexes as Simple Artificial Models for Photosystem II in Green Plants", J. Am. Chem. Soc. 1997, 119, 6996-7004.
8 Ann Magnusson, Helena Berglund, Peter Korell, Leif Hammarström, Björn Åkermark, Stenbjörn Styring, and Licheng Sun, “Mimicking Electron Transfer Reaction in Photosystem II: Synthesis and Photochemical Characterization of a Ruthenium(II) Tris(bipyridyl) Complex with a Covalently Linked Tyrosine”, J. Am. Chem. Soc. 1997, 119, 10720-10725.