Infiltration of electrolytes in molecular-sized nanopores

Ling LIU, Xi CHEN, Weiyi LU, Aijie HAN, Yu QIAO*

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

98 Citations (Scopus)


In both experiment and molecular simulation, it is found that a higher pressure is required to sustain the infiltration of smaller ions in a molecular-sized nanochannel. Simulations indicate that the effective ion solubility of the infiltrated liquid is reduced to nearly zero. Because of the strong interactions between the ion couples and the solid or liquid phases, an external force is required to continuously advance the confined liquid segment. The competition between the probability of ion entry and ion-couple formation causes the observed ion-size-dependent characteristics. © 2009 The American Physical Society.
Original languageEnglish
Article number184501
Number of pages4
JournalPhysical Review Letters
Issue number18
Early online date6 May 2009
Publication statusPublished - 8 May 2009
Externally publishedYes


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