Journal
FARADAY DISCUSSIONS
Volume 155, Issue -, Pages 177-190Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1fd00093d
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Funding
- University of Padova [STPD08RCX, PRAT CPDA104105/10]
- MIUR [20085M27SS, 20085ZXFEE]
- Fondazione Cariparo
- University of Messina (PRA)
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Photoinduced water oxidation to molecular oxygen takes place in systems made of [Ru(bpy)(3)](2+) (bpy 2,2'-bipyridine) as the photosensitizer, [Co4O4(O2CMe)(4)(py)(4)] (py pyridine) as the molecular catalyst and Na2S2O8 as the sacrificial electron acceptor. The photochemical quantum yield of the process reaches the outstanding value of 30% and depends on pH and catalyst concentration. Transient absorption spectroscopy experiments aimed to clarify the first events of the photocatalytic process are also reported.
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