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Double potential step chronoreflectometry approach to bi-stable potential region of the faradaic phase transition of heptyl viologen at a HOPG electrode |
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| Authors: | Takamasa Sagara Kosuke Miuchi | |
| Affiliation: | 1. Department of Materials Science, Graduate School of Science and Technology, Nagasaki University, Bunkyo 1-14, Nagasaki 852-8521, Japan;2. Organization and Function, PRESTO, JST, Graduate School of Science and Technology, Nagasaki University, Bunkyo 1-14, Nagasaki 852-8521, Japan | |
| Abstract: | The phase transition of an adsorption layer of heptyl viologen (HV) at a basal plane HOPG electrode was investigated using double potential step chrono-reflectometry in the visible wavelength region. For the first order faradaic phase transition between an expanded adsorption layer of oxidized form (HV2+) and a two-dimensional (2D) condensed monolayer of reduced form (HV | |
| Keywords: | Phase transition Double potential step chronoreflectometry Heptyl viologen HOPG electrode | |
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