The synthesis of two molecular iron complexes, a dinuclear iron(iii,iii) complex and a nonanuclear iron complex, based on the dinucleating ligand 2,2'-(2-hydroxy-5-methyl-1,3-phenylene)bis(1H-benzo[d]imidazole-4-carboxylic acid) is described. The two iron complexes were found to drive the oxidation of water by the one-electron oxidant [Ru(bpy)3](3+).
Herein we report
the synthesis of mesoporous ruthenium oxide (MP-RuO2) using
a template-based approach. The catalytic efficiency
of the prepared MP-RuO2 was compared to commercially available
ruthenium oxide nanoparticles (C-RuO2) as heterogeneous
catalysts for water oxidation. The results demonstrated superior performance
of MP-RuO2 for oxygen evolution compared to the C-RuO2 with respect to recyclability, amount of generated oxygen,
and stability over several catalytic runs.
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