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Cited by 199

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Selective Electrochemical Generation of Hydrogen Peroxide from Water Oxidation

Open access
Viswanathan, Venkatasubramanian, Hansen, Heine A., Nørskov, Jens K.·2015·The Journal of Physical Chemistry Letters

Abstract

Water is a life-giving source, fundamental to human existence, yet over a billion people lack access to clean drinking water. The present techniques for water treatment such as piped, treated water rely on time and resource intensive centralized solutions. In this work, we propose a decentralized device concept that can utilize sunlight to split water into hydrogen and hydrogen peroxide. The hydrogen peroxide can oxidize organics while the hydrogen bubbles out. In enabling this device, we require an electrocatalyst that can oxidize water while suppressing the thermodynamically favored oxygen evolution and form hydrogen peroxide. Using density functional theory calculations, we show that the free energy of adsorbed OH* can be used to determine selectivity trends between the 2e(-) water oxidation to H2O2 and the 4e(-) oxidation to O2. We show that materials which bind oxygen intermediates sufficiently weakly, such as SnO2, can activate hydrogen peroxide evolution. We present a rational design principle for the selectivity in electrochemical water oxidation and identify new material candidates that could perform H2O2 evolution selectively.

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Crossref · 10.1021/acs.jpclett.5b02178

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Metadata

Authors
Viswanathan, V., Hansen, H. A., & Nørskov, J. K.
Venue
The Journal of Physical Chemistry Letters
Published
2015-10-12
Volume
6
Issue
21
Pages
4224-4228
ISSN
1948-7185 (ISSN-L)
OpenAlex
W2102600510
Cited by
199
References
4
FWCI
2.54
Type
journal article
Language
en
Open access
green

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