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Issue 24, 2014
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Collecting meaningful early-time kinetic data in homogeneous catalytic water oxidation with a sacrificial oxidant

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Abstract

As the field of water oxidation catalysis grows, so does the sophistication of the associated experimental apparatuses. However, problems persist in studying some of the most basic aspects of catalytic water oxidation including acquisition of satisfactory early-reaction-time kinetics and rapid quantification of O2 concentration. We seek to remedy these problems and through better experimental design, elucidate mechanistic aspects of catalytic water oxidation with theory backed by experimental data. Two new methods for evaluating homogeneous water oxidation catalysts by reaction with a stoichiometric oxidant are presented which eliminate problems of incomplete fast mixing and O2 measurement response time. These methods generate early-reaction-time kinetics that have previously been unavailable.

Graphical abstract: Collecting meaningful early-time kinetic data in homogeneous catalytic water oxidation with a sacrificial oxidant

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Supplementary files

Article information


Submitted
23 Dec 2013
Accepted
07 Mar 2014
First published
07 Mar 2014

Phys. Chem. Chem. Phys., 2014,16, 11942-11949
Article type
Paper
Author version available

Collecting meaningful early-time kinetic data in homogeneous catalytic water oxidation with a sacrificial oxidant

J. W. Vickers, J. M. Sumliner, H. Lv, M. Morris, Y. V. Geletii and C. L. Hill, Phys. Chem. Chem. Phys., 2014, 16, 11942
DOI: 10.1039/C3CP55406F

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