The plausible role of carbonate in photo-catalytic water oxidation processes

Haya Kornweitz; Dan Meyerstein

doi:10.1039/c5cp07389h

The plausible role of carbonate in photo-catalytic water oxidation processes

Haya Kornweitz, Dan Meyerstein

Department of Chemistry

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19 Scopus citations

Abstract

DFT calculations point out that the photo-oxidation of water on GaN is energetically considerably facilitated by adsorbed carbonate. As the redox potential of the couple CO₃^.-/CO₃^2- is considerably lower than that of the couple OH^./OH^- but still enables the oxidation of water it is suggested that carbonate should be considered as a catalyst/co-catalyst in a variety of catalytic/photo-catalytic/electro-catalytic oxidation processes.

Original language	English
Pages (from-to)	11069-11072
Number of pages	4
Journal	Physical Chemistry Chemical Physics
Volume	18
Issue number	16
DOIs	https://doi.org/10.1039/c5cp07389h
State	Published - 28 Apr 2016

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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abstract = "DFT calculations point out that the photo-oxidation of water on GaN is energetically considerably facilitated by adsorbed carbonate. As the redox potential of the couple CO3.-/CO32- is considerably lower than that of the couple OH./OH- but still enables the oxidation of water it is suggested that carbonate should be considered as a catalyst/co-catalyst in a variety of catalytic/photo-catalytic/electro-catalytic oxidation processes.",

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AB - DFT calculations point out that the photo-oxidation of water on GaN is energetically considerably facilitated by adsorbed carbonate. As the redox potential of the couple CO3.-/CO32- is considerably lower than that of the couple OH./OH- but still enables the oxidation of water it is suggested that carbonate should be considered as a catalyst/co-catalyst in a variety of catalytic/photo-catalytic/electro-catalytic oxidation processes.

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The plausible role of carbonate in photo-catalytic water oxidation processes

Abstract

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