2011
DOI: 10.1134/s1023193511010046
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Electrochemical and electrocatalytic properties of tetra(pyridyl-4′,3′)porphin series derivatives

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Cited by 8 publications
(13 citation statements)
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“…The reduction process of macrocycle III с is irreversible. Because of proximity of the observed cathode processes I с и II с in potentials, this part of the voltammogram could be expanded to Gaussian components, [22] or subtraction of background current for electrodes before and after introducing porphyrins into the active mass could be build. In this case the second method is more reliable.…”
Section: Electrochemical Properties Of Compound H 2 (4-py) 2 Tmetetp mentioning
confidence: 99%
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“…The reduction process of macrocycle III с is irreversible. Because of proximity of the observed cathode processes I с и II с in potentials, this part of the voltammogram could be expanded to Gaussian components, [22] or subtraction of background current for electrodes before and after introducing porphyrins into the active mass could be build. In this case the second method is more reliable.…”
Section: Electrochemical Properties Of Compound H 2 (4-py) 2 Tmetetp mentioning
confidence: 99%
“…The study has shown [21,22] that the meso-pyridyl substitution of porphine (T(3-Py)P and T(4-Py)P) give a positive effect on its electrocatalytic activity in the reaction of molecular oxygen electroreduction, compared to their phenyl analogs in TPhP. Thus, the effect of depolarization of electroreduction process of molecular oxygen are 50 and 80 mV (vs. Ag/AgCl electrode) for electrodes Co II T(3-Py)P and Co II T(4-Py)P compared with Co II TPhP in aqueous alkaline medium.…”
Section: Introductionmentioning
confidence: 99%
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“…It was shown that metalloporphyrins and metallophthalocyanines generally exhibit a good activity in ORR [3][4][5][6][7]. The ORR on the graphitized carbon electrodes with active layers containing technical elemental carbon (TEC) and porphyrins in KOH aqueous solution has been studied in works [8][9][10]. It was found that the introduction of a pyridyl substituent in the alkyl-substituted porphyrins leads to an increase in the rate of ORR [8].…”
Section: Introductionmentioning
confidence: 99%