Ionic liquids: patience and time resolve more than ten years of scientific controversy

Publication / Research

On February 10, 2026

Ions liquides

Electrostatic screening in ionic liquids -the ability of ions to neutralize a charge- is actually short-range, contrary to previous observations of abnormally extended interactions.

For more information, visit:

  • the news on the UGA website,
  • the scientific paper published in Proceedings of the National Academy of Sciences.

Date

On February 10, 2026

Contact

Benjamin CROSS (LIPhy)
benjamin.crossatuniv-grenoble-alpes.fr (benjamin[dot]cross[at]univ-grenoble-alpes[dot]fr)

Patrick KEKICHEFF (ICS)
patrick.kekicheffatics-cnrs.unistra.fr (patrick[dot]kekicheff[at]ics-cnrs[dot]unistra[dot]fr)

Reference

B. Cross, L. Garcia, E. Charlaix & P. Kékicheff. Short-range electrostatic screening in ionic liquids as inferred by direct force measurements. Proc. Natl. Acad. Sci. U.S.A. 123 (7), e2517939123 (2026)

Submitted on February 10, 2026

Updated on February 10, 2026