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Environmental Scanning Ultrafast Electron Microscopy: Structural Dynamics of Solvation at Interfaces

Authors

  • Dr. Ding-Shyue Yang,

    1. Physical Biology Center for Ultrafast Science & Technology, Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, CA 91125 (USA)
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  • Dr. Omar F. Mohammed,

    1. Physical Biology Center for Ultrafast Science & Technology, Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, CA 91125 (USA)
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  • Prof. Dr. Ahmed H. Zewail

    Corresponding author
    1. Physical Biology Center for Ultrafast Science & Technology, Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, CA 91125 (USA)
    • Physical Biology Center for Ultrafast Science & Technology, Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, CA 91125 (USA)
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  • This work was supported by the Air Force Office of Scientific Research and the National Science Foundation in the Gordon and Betty Moore Center for physical biology at Caltech. We thank Prof. Dr. Samir K. Pal for insightful discussions during the initial phase of this work. O.F.M. is grateful for a distinguished scholar award provided by the Arab Fund for Economic and Social Development.

Abstract

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An der Oberfläche: CdSe-Oberflächen dienten als Prototyp für die Untersuchung der raumzeitlichen Merkmale von Solvatisierung durch ultraschnelle Umgebungs-Rasterelektronenmikroskopie (siehe Bild, GSED=Detektor für Sekundärelektronen im Gasraum). Dabei zeigte sich, dass die ultraschnelle Relaxation polarer Moleküle wie Wasser in den Adsorbatschichten erstaunlich abhängig von der Struktur der CdSe-Oberfläche ist.

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