Inorganic Ruthenium Catalyst for Photoinduced Oxidation of Water in Artificial Photosynthesis

被引：0
作者：
Il'yashchenko, V. Yu. [1 ]
Dzhabieva, Z. M. [2 ]
Savinykh, T. A. [2 ]
Avdeeva, L. V. [2 ]
Dzhabiev, T. S. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
[2] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Russia
来源：
HIGH ENERGY CHEMISTRY | 2022年 / 56卷 / 01期
关键词：
artificial photosynthesis; photocatalysis; water oxidation; O-2 quantum yield; tetraruthenium complex; CRYSTAL-STRUCTURE; COMPLEX;
D O I：
10.1134/S0018143922010064
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The reaction of photocatalytic oxidation of water with potassium persulfate in the presence of the photosensitizer bpy(3)RuCl(2)center dot 6H(2)O and the ruthenium nitride complex Li-3[Ru-2(mu-N)Cl-8 center dot 2H(2)O] has been studied. It has been found by kinetic and electrospray-ionization mass spectrometry methods that the catalyst for the process is the tetraruthenium complex Ru4N2O5+ with a molecular weight of 512.28 amu. The efficiency of the catalytic system (a turnover number of TON = 360, a O-2 quantum yield of Phi = 0.51) is higher than that of its oxygen analogue Li-4[Ru2OCl10 center dot 2H(2)O] (TON = 240 and Phi) = 0.2).
引用
收藏
页码：38 / 41
页数：4
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