期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 1, 页码 361-369出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201503567
关键词
decadentate ligands; dicobalt complexes; oxygen reduction; peroxo bridges; proton reduction
资金
- AGAUR
- AGAUR, Generalitat de Catalunya
A new decadentate dinucleating ligand containing a pyridazine bridging group and pyridylic arms has been synthesized and characterized by analytical and spectroscopic techniques. Four new dinuclear cobalt complexes featuring this ligand have been prepared and thoroughly characterized both in the solid state (X-ray diffraction) and in solution (1D and 2D NMR spectroscopy, ESI-MS, and electrochemical techniques). The flexible but stable coordination environment provided by the ligand scaffold when coordinating Co in different oxidation states is shown to play a crucial role in the performance of the set of complexes when tested as catalysts for the photochemical hydrogen evolution reaction (HER) and chemical oxygen reduction reaction (ORR).
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