The electrochemical redox behavior of immobilized chromium, manganese, iron, cobalt, and
nickel protoporphyrins IX has been investigated over the pH 0–14 range. In the investigated …

Comparisons are made between Co, Cr, Fe and Zn metalloporphyrin redox potentials. For
TPPCoClO 4, TPPFeClO 4, and TPPMnClO 4, the redox potentials for the M (III)→ M (II) …

(2-7) X 105 dm3 mol'1 cm" 1) around 430 nm. Cyclic voltammetry showed that the
compounds undergo well-defined reduction and oxidation steps, although the oxidation …

A detailed description of the most important factors that influence half wave potentials of
synthetic iron porphyrins in non-aqueous media is given. Quantitative relationships are …

Two series of diphosphoryl-substituted porphyrins were synthesized and characterized by
electrochemistry and spectroelectrochemistry in nonaqueous media containing 0.1 M tetra-n …

The redox properties of iron protoporphyrins were studied in a wide range of pH using thin
layer voltammetry on carbon electrodes. The ionization constants and standard potentials for …

The ionic state of metalloporphyrins at the interface with aqueous electrolytes in the potential
and pH ranges in which electrocatalytic reactions occur, the coordination binding of …

H20 or HO") hydrates havebeen investigated in aqueous solutions as a function of pH. The
midpoint potentials for the stepwise le" oxidations and reductions of (2) Fem (X) 2 shift to …

Cyclic voltammetry experiments have been carried out on Fe (II), Mn (II), and Cu (II)
complexes of N-substitutedporphyrins in order to test the effects of the overall coordination …

We report herein the catalytic oxidation of water to molecular oxygen with water-soluble 5,
10, 15, 20-tetra (N-methylpyridyl) porphyrinato manganese (III) chloride,[PMn (III)] Cl 5. The …