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X‑ray Photoelectron...
X‑ray Photoelectron Fingerprints of High-Valence Ruthenium−Oxo Complexes along the Oxidation Reaction Pathway in an Aqueous Environment
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- Silva, Jose Luis (author)
- Uppsala universitet,Materialteori,Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
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- Unger, Isaak (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik,Molecular and Condensed Matter Physics Division, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
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- Matias, Tiago A. (author)
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sã o Paulo, Av. Lineu Prestes 748, Cidade Universitária, Butanta, Sao Paulo, Brazil
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- Franco, Leandro R. (author)
- Instituto de Física, Universidade de São Paulo, Cidade Universitária, São Paulo, SP, Brazil
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- Damas, Giane (author)
- Uppsala universitet,Materialteori,Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
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- Costa, Luciano T. (author)
- Fluminense Federal University, BRA,Instituto de Química, Departamento de Físico-química, Universidade Federal Fluminense, Outeiro de São Joã o Batista Niterói, RJ, Brazil
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- Toledo, Kalil C. F (author)
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sã o Paulo, Av. Lineu Prestes 748, Cidade Universitária, Butanta, Sao Paulo, Brazil,Instituto de Física, Universidade de São Paulo, Cidade Universitária, São Paulo, SP, Brazil
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- Rocha, Tulio C. R. (author)
- Brazilian Center Research Energy & Mathematic CNPEM, BRA,Brazilian Synchrotron Light Laboratory (LNLS), Brazilian Center for Research on Energy and Materials (CNPEM), Campinas, SP, Brazil
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- de Brito, Arnaldo N. (author)
- University Estadual Campinas, BRA,Institute of Physics “Gleb Wataghin”, University of Campinas, Campinas, SP, Brazil
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- Saak, Clara-Magdalena (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik,Molecular and Condensed Matter Physics Division, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
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- Coutinho, Kaline (author)
- University Sao Paulo, BRA
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- Araki, Koiti (author)
- University Sao Paulo, BRA,Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Cidade Universitária, Butanta, Sao Paulo, Brazil
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- Björneholm, Olle (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik,Molecular and Condensed Matter Physics Division, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
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- Brena, Barbara (author)
- Uppsala universitet,Materialteori,Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
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- Araujo, Carlos Moyses (author)
- Uppsala universitet,Materialteori,Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
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(creator_code:org_t)
- 2019-11-20
- 2019
- English.
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In: The Journal of Physical Chemistry Letters. - : American Chemical Society (ACS). - 1948-7185. ; 10:24, s. 7636-7643
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Recent advances in operando-synchrotron-based X-ray techniques are making it possible to address fundamental questions related to complex proton-coupled electron transfer reactions, for instance, the electrocatalytic water splitting process. However, it is still a grand challenge to assess the ability of the different techniques to characterize the relevant intermediates, with minimal interference on the reaction mechanism. To this end, we have developed a novel methodology employing X-ray photoelectron spectroscopy (XPS) in connection with the liquid-jet approach to probe the electrochemical properties of a model electrocatalyst, [RuII(bpy)2(py)-(OH2)]2+, in an aqueous environment. There is a unique fingerprint of the extremely important higher-valence ruthenium−oxo species in the XPS spectra along the oxidation reaction pathway. Furthermore, a sequential method combining quantum mechanics and molecular mechanics is used to illuminate the underlying physical chemistry of such systems. This study provides the basis for the future development of in-operando XPS techniques for water oxidation reactions.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
Keyword
- Kemi - fysikalisk kemi
- Chemistry - Physical Chemistry
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Silva, Jose Luis
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Unger, Isaak
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Matias, Tiago A.
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Franco, Leandro ...
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Damas, Giane
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Costa, Luciano T ...
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show more...
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Toledo, Kalil C. ...
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Rocha, Tulio C. ...
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de Brito, Arnald ...
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Saak, Clara-Magd ...
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Coutinho, Kaline
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Araki, Koiti
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Björneholm, Olle
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Brena, Barbara
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Araujo, Carlos M ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Theoretical Chem ...
- Articles in the publication
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The Journal of P ...
- By the university
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Karlstad University
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Uppsala University
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Linköping University