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Research Article

Switching the O-O Bond Formation Pathways of Ru-pda Water Oxidation Catalyst by Third Coordination Sphere Engineering

Figure 2

Linear sweep voltammograms (LSVs) of 1/GC (a) and poly-2@GC (b) at various concentrations of 1 or coverages () of 2, and LSVs of 1/GC (c) and poly-2@GC (d) at various concentrations of phosphate buffer. Inset plots show the logarithm relationship between the catalytic current density and the catalyst (a, b)/phosphate (c, d) concentration at selected potentials; the fitting slopes indicate reaction orders in catalyst concentration () (a, b) or phosphate concentration () (c, d).