Revealing Transient Shuttling Mechanism of Catalytic Ion Transport through Liquid-Liquid Interface

Ai Koizumi, Hirofumi Tahara, Tomonori Hirano, Akihiro Morita

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Hard, hydrophilic ions that hardly transport over the water-oil interface by imposing external electric potential could undergo facile transport with a trace of ligand. Such phenomena, called "shuttling", are elucidated by microscopic investigation with molecular dynamics simulations. The catalytic role manifests itself in a 2-D free-energy surface within the nanometer range of the interface. The free-energy landscape clearly distinguishes the condition that the catalytic shuttling plays a vital role in the ion transport. The mechanism associated with transient complex formation at the interface is shown to be widely relevant to the ion kinetics and extends the conventional concept of facilitated ion transport.

Original languageEnglish
Pages (from-to)1584-1588
Number of pages5
JournalJournal of Physical Chemistry Letters
Volume11
Issue number4
DOIs
Publication statusPublished - 2020 Feb 20

ASJC Scopus subject areas

  • Materials Science(all)
  • Physical and Theoretical Chemistry

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