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One- or two-electron water oxidation, hydroxyl radical, or H<sub>2</sub>O<sub>2</sub> evolution [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Basic Energy Sciences, 2017.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
pages 1,157-1,160 : digital, PDF file
Additional Creators
SLAC National Accelerator Laboratory, United States. Department of Energy. Office of Basic Energy Sciences, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Electrochemical or photoelectrochemcial oxidation of water to form hydrogen peroxide (H2O2) or hydroxyl radicals (•OH) offers a very attractive route to water disinfection, and the first process could be the basis for a clean way to produce hydrogen peroxide. A major obstacle in the development of effective catalysts for these reactions is that the electrocatalyst must suppress the thermodynamically favored four-electron pathway leading to O2 evolution. Here, we develop a thermochemical picture of the catalyst properties that determine selectivity toward the one, two, and four electron processes leading to •OH, H2O2, and O2.
Report Numbers
E 1.99:1350735
Subject(s)
Note
Published through SciTech Connect.
02/23/2017.
Journal of Physical Chemistry Letters 8 6 ISSN 1948-7185 AM
Samira Siahrostami; Guo -Ling Li; Venkatasubramanian Viswanathan; Jens K. Nørskov.
Funding Information
52454
AC02-76SF00515
View MARC record | catkey: 24043378