In situ video-STM studies of Pt(111) electrodes in CO-saturated 0.1 M H2SO4 solution are presented, which reveal the presence of defined point defects in the CO pre-oxidation regime, where the surface is covered by a highly dynamic apparent (1 × 1)-CO adlayer. These defects are generated at the Pt steps and can switch between a mobile and an immobile state. They are assigned to diffusing vacancies in the Pt surface layer, induced by interaction of the highly mobile CO adsorbates with Pt surface atoms at potentials as low as 0.30 VAg/AgCl.
Chemical communications (Cambridge, England). 2020 Jul 23;56(59):8309-8312. doi: 10.1039/d0cc04046k Q24.32024
Vacancy dynamics on CO-covered Pt(111) electrodes
一氧化碳覆盖的Pt(111)电极上的空位动力学 翻译改进
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DOI: 10.1039/d0cc04046k PMID: 32573589
摘要 Ai翻译
Keywords：vacancy dynamics; electrode properties
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