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Double layer of Au(100)/ionic liquid interface and its stability in imidazolium-based ionic liquids.

Research paper by Yu-Zhuan YZ Su, Yong-Chun YC Fu, Jia-Wei JW Yan, Zhao-Bin ZB Chen, Bing-Wei BW Mao

Indexed on: 16 Jun '09Published on: 16 Jun '09Published in: Angewandte Chemie International Edition



Abstract

Ring any bells? The differential capacitance curve of Au(100) in neat [BMI]BF(4) (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.