Electrification of water interface

Yuki Uematsu

Research output: Contribution to journalReview articlepeer-review

12 Citations (Scopus)


The surface charge of a water interface determines many fundamental processes in physical chemistry and interface science, and it has been intensively studied for over a hundred years. We summarize experimental methods to characterize the surface charge densities developed so far: electrokinetics, double-layer force measurements, potentiometric titration, surface-sensitive nonlinear spectroscopy, and surface-sensitive mass spectrometry. Then, we elucidate physical ion adsorption and chemical electrification as examples of electrification mechanisms. In the end, novel effects on surface electrification are discussed in detail. We believe that this clear overview of state of the art in a charged water interface will surely help the fundamental progress of physics and chemistry at interfaces in the future 2021 IOP Publishing Ltd.

Original languageEnglish
Article number423001
JournalJournal of Physics Condensed Matter
Issue number42
Publication statusPublished - Oct 2021

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics


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