Abstract
Water oxidation over highly dispersed cobalt oxide particles in porous silica was studied, applying photo-activation of the Ru(bpy)32+ photosensitizer complex and the sacrificial electron acceptor (S2O82−). Under identical process conditions, 4 nm crystalline Co3O4 particles dispersed in SBA-15, obtained by calcination of impregnated Co(NO3)2 in an NO/N2 atmosphere, showed higher O2
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