Journal
FARADAY DISCUSSIONS
Volume 198, Issue -, Pages 251-261Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6fd00204h
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Funding
- Life Science Division of CEA (DSV-Energy program)
- COST Action [CM1202 PERSPECT-H20]
- French National Research Agency (Labex program, ARCANE) [ANR-11-LABX-0003-01]
- European Research Council under the European Union's Seventh Framework Program (FP)/ERC [306398]
- Argonne-Northwestern Solar Energy Research (ANSER) Center, an Energy Frontier Research Center - U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences [DE-SC0001059]
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The design of molecular dyads combining a light-harvesting unitwith an electroactive centre is highly demanded in the field of artificial photosynthesis. The versatile Copper-catalyzed Azide-Alkyne Cycloaddition (CuAAC) procedure was employed to assemble a rutheniumtris-diimine unit to an unprecedented azide-substituted copper diimine-dioxime moiety. The resulting (RuCuII)-Cu-II dyad 4 was characterized by electrochemistry, H-1 NMR, EPR, UV-visible absorption, steady-state fluorescence and transient absorption spectroscopies. Photoinduced electron transfer from the ruthenium to the copper centre upon light-activation in the presence of a sacrificial electron donor was established thanks to EPR-monitored photolysis experiments, opening interesting perspectives for photocatalytic applications.
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