Issue 34, 2012
From the journal:

Chemical Communications

Competitive inhibition of a metal-free porphyrin oxygen-reduction catalyst by water†‡

Antonín Trojánek,a   Jan Langmaier,a   Stanislav Záliša  and  Zdeněk Samec*a  

* Corresponding authors

a J. Heyrovský Institute of Physical Chemistry of ASCR, v.v.i, Dolejškova 3, 182 23 Prague 8, Czech Republic
E-mail: zdenek.samec@jh-inst.cas.cz
Fax: +420 286582307
Tel: +420 266052011

Abstract

A stopped-flow method is used to study the effects of water and reactant acid anion TB− = tetrakis(pentafluorophenyl)borate on the homogeneous oxygen reduction catalyzed by the protonated tetraphenylporphyrin. Observed competitive inhibition of the catalyst is linked to the DFT free energy of extraction of O2, water, and TB− from the porphyrin complex.

Graphical abstract: Competitive inhibition of a metal-free porphyrin oxygen-reduction catalyst by water

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Article information

DOI
https://doi.org/10.1039/C2CC31082A
Article type
Communication
Submitted
14 Feb 2012
Accepted
06 Mar 2012
First published
07 Mar 2012

Chem. Commun., 2012,48, 4094-4096

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Competitive inhibition of a metal-free porphyrin oxygen-reduction catalyst by water

A. Trojánek, J. Langmaier, S. Záliš and Z. Samec, Chem. Commun., 2012, 48, 4094 DOI: 10.1039/C2CC31082A

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