Layering and Ordering in Electrochemical Double Layers

Yihua Liu, Tomoya Kawaguchi, Michael S. Pierce, Vladimir Komanicky, Hoydoo You

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


Electrochemical double layers (EDL) form at electrified interfaces. Whereas the Gouy-Chapman model describes moderately charged EDL, the formation of Stern layers was predicted for highly charged EDL. Our results provide structural evidence for a Stern layer of cations at potentials close to hydrogen evolution in alkali fluoride and chloride electrolytes. Layering was observed by X-ray crystal truncation rods and atomic-scale recoil responses of Pt(111) surface layers. Ordering in the layer was confirmed by glancing-incidence in-plane diffraction measurements.

Original languageEnglish
Pages (from-to)1265-1271
Number of pages7
JournalJournal of Physical Chemistry Letters
Issue number6
Publication statusPublished - 2018 Mar 15


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