| 4 | Photo-Induced Water Oxidation Based on a Mononuclear Cobalt(II)Complex显示文摘Photo-induced water oxidation based on first row transition metal complexes has drawn much attention recently as a part of the efforts to design systems for solar fuel production.Here,the classic tetradentate ligand TPA(tris(2-pyridylmethyl)amine)is used together with cobalt(II)in CH_(3)CN to form a mononuclear cobalt complex[Co(TPA)Cl]Cl.Single crystal X-ray diffraction shows that[Co(TPA)Cl]Cl is composed of discrete cationic units with a penta-coordinate cobalt center,along with chloride counter ions.In borate buffer,the Co complex acts as a water oxidation catalyst,as shown by the presence of a catalytic wave in electrochemistry.Under visible light irra-diation,in the presence of photosensitizer and electron acceptor,the Co complex catalyzes O2 evolution with a turnover frequency(TOF)of 1.0 mol(O_(2))·mol(Co)^(-1)·s^(-1)and a turnover number(TON)of 55 mol(O_(2))·mol(Co)^(-1)in pH 8 borate buffer. | Hongyan Wang Yongbin Lu Edgar Mijangos Anders Thapper | 2014 | Chinese Journal of Chemistry2014，32，6： | 0 |
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