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J. H. Price, A. N. Williamson, R. F. Schramm and B. B. Wayland, “Palladium(II) and Platinum(II) Alkyl Sulfoxide Complexes. Examples of Sulfur-Bonded, Mixed Sulfur and Oxygen-Bonded, and Totally Oxygen-Bonded Complexes,” Inorganic Chemistry, Vol. 11, No. 6, 1972, pp. 1280-1284. http://dx.doi.org/10.1021/ic50112a025

has been cited by the following article:

• TITLE: Enhanced Electrocatalytic Reduction of Oxygen at Electrodes Coated with a Multi-Metallic Co(II)/Pt(II) Porphyrin

  AUTHORS: Shawn Swavey, David Fresh

  KEYWORDS: Oxygen Electrocatalysis; Cobalt; Platinum; Porphyrin

  JOURNAL NAME: American Journal of Analytical Chemistry, Vol.4 No.10A, October 25, 2013

  ABSTRACT: Edge plane pyrolytic graphite (EPG) electrodes coated with the Co(II)/Pt(II)2 analog of 5,15-bis-(4-pyridyl)-10,20-bis-(3-methoxy-4-hydroxyphenyl)porphyrin undergo an electrochemical-chemical-electrochemical (ECE) reaction when anodically scanned in 1.0 M sulfuric acid. The new redox couple formed from this anodic conditioning of the coated electrode is dependent on the pH of the solution. Roughened EPG electrodes coated with the Co(II)/Pt(II)2 trimetallic porphyrin show a catalytic shift of 400 mV for the reduction of O2 when compared to the reduction of O2 at a bare EPG electrode. An additional catalytic shift of ca. 150 mV is observed for O2 reduction at an EPG electrode coated with the Co(II)/Pt(II)2 porphyrin which has been oxidized in 1.0 M sulfuric acid. In addition to the added electrocatalysis, a significant percentage of O2 reduced at the oxidized Co(II)/Pt(II)2 EPG electrode is converted to H2O as determined by rotating disk electrode measurements.