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Ion-Solvation-Induced Molecular Reorganization in Liquid Water Probed by Resonant Inelastic Soft X-ray Scattering.
Jeyachandran, Yekkoni L; Meyer, Frank; Nagarajan, Sankaranarayanan; Benkert, Andreas; Bär, Marcus; Blum, Monika; Yang, Wanli; Reinert, Friedrich; Heske, Clemens; Weinhardt, Lothar; Zharnikov, Michael.
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  • Jeyachandran YL; †Angewandte Physikalische Chemie, Universität Heidelberg, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany.
  • Meyer F; ‡Experimentelle Physik VII, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
  • Nagarajan S; †Angewandte Physikalische Chemie, Universität Heidelberg, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany.
  • Benkert A; ‡Experimentelle Physik VII, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
  • Bär M; §Institute for Photon Science and Synchrotron Radiation, Karlsruhe Institute of Technology (KIT), Hermann-v.-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.
  • Blum M; ∥Solar Energy Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner-Platz 1, 14109 Berlin, Germany.
  • Yang W; ⊥Institut für Physik und Chemie, Brandenburgische Technische Universität Cottbus-Senftenberg, Platz der Deutschen Einheit 1, 03046 Cottbus, Germany.
  • Reinert F; #Department of Chemistry, University of Nevada, Las Vegas (UNLV), 4505 Maryland Parkway, Las Vegas, Nevada 89154-4003, United States.
  • Heske C; #Department of Chemistry, University of Nevada, Las Vegas (UNLV), 4505 Maryland Parkway, Las Vegas, Nevada 89154-4003, United States.
  • Weinhardt L; ∇Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States.
  • Zharnikov M; ‡Experimentelle Physik VII, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
J Phys Chem Lett ; 5(23): 4143-8, 2014 Dec 04.
Article en En | MEDLINE | ID: mdl-26278946
The molecular structure of liquid water is susceptible to changes upon admixture of salts due to ionic solvation, which provides the basis of many chemical and biochemical processes. Here we demonstrate how the local electronic structure of aqueous potassium chloride (KCl) solutions can be studied by resonant inelastic soft X-ray scattering (RIXS) to monitor the effects of the ion solvation on the hydrogen-bond (HB) network of liquid water. Significant changes in the oxygen K-edge emission spectra are observed with increasing KCl concentration. These changes can be attributed to modifications in the proton dynamics, caused by a specific coordination structure around the salt ions. Analysis of the spectator decay spectra reveals a spectral signature that could be characteristic of this structure.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Phys Chem Lett Año: 2014 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Phys Chem Lett Año: 2014 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos