Visible Light-Induced Electron Transfer from Di-μ-oxo-Bridged Dinuclear Mn Complexes to Cr Centers in Silica Nanopores

The compound (bpy)2MnIII(μ-O)2MnIV(bpy)2, a structural model relevant for the photosynthetic water oxidation complex, was coupled to single CrVI charge-transfer chromophores in the channels of the nanoporous oxide AlMCM-41. Mn K-edge EXAFS spectroscopy confirmed that the di-μ-oxo dinuclear Mn core o...

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Veröffentlicht in:	Journal of the American Chemical Society 2008-08, Vol.130 (34), p.11355-11363
Hauptverfasser:	Weare, Walter W, Pushkar, Yulia, Yachandra, Vittal K, Frei, Heinz
Format:	Artikel
Sprache:	eng
Schlagworte:	2,2'-Dipyridyl - analogs & derivatives 37 ABSORPTION SPECTROSCOPY Chromium - chemistry Electron Spin Resonance Spectroscopy ELECTRON TRANSFER Electron Transport ELECTRONS EXCITATION Light Manganese - chemistry Models, Biological Nanostructures - chemistry Organometallic Compounds - chemistry Organometallic Compounds - metabolism OXIDATION Oxidation-Reduction OXIDES Oxygen - chemistry Oxygen - metabolism Photosystem II Protein Complex - chemistry Photosystem II Protein Complex - metabolism Porosity SILICA Silicon Dioxide - chemistry SPECTROSCOPY Spectrum Analysis, Raman STRUCTURAL MODELS TRANSFORMATIONS TRANSITION ELEMENTS VALENCE WATER Water - chemistry
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