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Iron hydrogenase active site mimics in supramolecular systems aiming for light-driven hydrogen production
2005 (English)In: Coordination chemistry reviews, ISSN 0010-8545, E-ISSN 1873-3840, Vol. 249, no 15-16, 1653-1663 p.Article, review/survey (Refereed) Published
Abstract [en]

Models of the iron hydrogenase active site [(mu-DT)Fe-2(CO)(6)] (DT: dithiolate) have been synthesized where the dithiolate co-factor bears a functional group to allow for their incorporation into supramolecular systems. Covalently linked to ruthenium(II) polypyridyl photosensitizers, the resulting ruthenium-diiron complexes represent the first members of a new class of dyads designed to promote the light-driven production of hydrogen. The functionalized diiron complexes have been characterized by X-ray crystallography. The redox properties of all complexes were investigated by cyclic voltammetry and the interactions between the photo-excited ruthenium moiety and the diiron unit in these dyads were evaluated by time-resolved spectroscopy.

Place, publisher, year, edition, pages
2005. Vol. 249, no 15-16, 1653-1663 p.
Keyword [en]
bioinorganic chemistry, electron transfer, enzyme models, iron hydrogenase, ruthenium, fe-only hydrogenase, ruthenium-manganese chemistry, mlct excited-states, photophysical properties, visible-light, diiron subsite, desulfovibrio-desulfuricans, artificial photosynthesis, aqueous-solutions, bridging ligands
URN: urn:nbn:se:kth:diva-15011ISI: 000231587200010ScopusID: 2-s2.0-23644434830OAI: diva2:333052
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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