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Photoinduced Electron Transfer in an Anthraquinone-[Ru(bpy)(3)](2+)-Oligotriarylamine-[Ru(bpy)(3)](2+)-Anthraquinone Pentad
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry. Univ Basel, Dept Chem, St Johanns Ring 19, CH-4056 Basel, Switzerland..
Univ Geneva, Dept Phys Chem, 30 Quai Ernest Ansermet, CH-1211 Geneva 4, Switzerland..
Univ Geneva, Dept Phys Chem, 30 Quai Ernest Ansermet, CH-1211 Geneva 4, Switzerland..ORCID iD: 0000-0002-9580-9683
Univ Basel, Dept Chem, St Johanns Ring 19, CH-4056 Basel, Switzerland..
2016 (English)In: Inorganic Chemistry, ISSN 0020-1669, E-ISSN 1520-510X, Vol. 55, no 6, 2894-2899 p.Article in journal (Refereed) Published
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Abstract [en]

A molecular pentad comprised of a central multielectron donor and two flanking photosensitizer-acceptor moieties was prepared in order to explore the possibility of accumulating two positive charges at the central donor, using visible light as an energy input. Photoinduced charge accumulation in purely molecular systems without sacrificial reagents is challenging, because of the multitude of energy-wasting reaction pathways that are accessible after excitation with two photons. As expected, the main photoproduct in our pentad is a simple electron hole pair, and it is tricky to identify the desired two-electron oxidation product on top of the stronger signal resulting from one-electron oxidation.

Place, publisher, year, edition, pages
2016. Vol. 55, no 6, 2894-2899 p.
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Chemical Sciences
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URN: urn:nbn:se:uu:diva-294312DOI: 10.1021/acs.inorgchem.5b02757ISI: 000372677800026PubMedID: 26954341OAI: oai:DiVA.org:uu-294312DiVA: diva2:929613
Available from: 2016-05-19 Created: 2016-05-18 Last updated: 2016-05-19Bibliographically approved

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