Dr. Masashi Nakamura, Yo Nakajima, Prof. Dr. Nagahiro Hoshi, Dr. Hiroo Tajiri and Dr. Osami Sakata Effect of Non-Specifically Adsorbed Ions on the Surface Oxidation of Pt(111) ChemPhysChem 14
Keeping it smooth: Oxidation processes of a Pt(111) electrode depend on non-specifically adsorbed cations. In aqueous LiOH, an OH adlayer is formed in the first oxidation step of Pt(111), whereas Pt oxidation proceeds without OH formation in CsOH solution (see picture). Li+ protects against surface roughening due to subsurface oxidation, whereas irreversible surface roughening occurs in the case of Cs+.
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