Double Layer of Au(100)/Ionic Liquid Interface and Its Stability in Imidazolium-Based Ionic Liquids

Double Layer of Au(100)/Ionic Liquid Interface and Its Stability in Imidazolium-Based Ionic Liquids

Ring any bells? The differential capacitance curve of Au(100) in neat [BMI]BF₄ (BMI=1-butyl-3-methylimidazolium) ionic liquid has a bell-shaped feature (see picture). The adsorption of BMI⁺ shows a disorder-order transition and depends on the structure of the surface. Ordered adsorption in a micelle...

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Veröffentlicht in:Angewandte Chemie (International ed.) 2009-01, Vol.48 (28), p.5148-5151
Hauptverfasser: Su, Yu-Zhuan, Fu, Yong-Chun, Yan, Jia-Wei, Chen, Zhao-Bin, Mao, Bing-Wei
Format: Artikel
Sprache:eng
Schlagworte:
Adsorption
electrochemistry
Electrodes
Gold - chemistry
Imidazoles - chemistry
ionic liquids
Ionic Liquids - chemistry
Micelles
scanning probe microscopy
surface chemistry
Surface Properties
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Zusammenfassung:Ring any bells? The differential capacitance curve of Au(100) in neat [BMI]BF₄ (BMI=1-butyl-3-methylimidazolium) ionic liquid has a bell-shaped feature (see picture). The adsorption of BMI⁺ shows a disorder-order transition and depends on the structure of the surface. Ordered adsorption in a micelle-like structure stabilizes the underlying Au surface.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200900300