Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542

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Electrochemical Behavior and Specific Adsorption of an Iodide-based Ionic Liquid on Au(111)
Hiroyuki UEDAKatsuhiko NISHIYAMASoichiro YOSHIMOTO
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JOURNAL OPEN ACCESS Advance online publication

Article ID: 18-00028

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Abstract

The electrochemical behavior and specific adsorption of an ionic liquid, 1-butyl-3-methylimidazolium iodide, on a Au(111) electrode surface were investigated via voltammetric analyses, X-ray photoelectron spectroscopy (XPS), and scanning tunneling microscopy (STM). The electrochemical potential window and the reductive desorption of I adatoms were evaluated using voltammetric techniques. The XPS and STM results supported the specific adsorption of I adatoms on Au(111). Furthermore, high-resolution STM images revealed the formation of characteristic nanostructured rings consisting of imidazolium cations on I adatoms for the first time.

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© 2018 The Electrochemical Society of Japan
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