Selective adsorption of multivalent ions into TiC-derived nanoporous carbon

Sergey Sigalov, Mikhael D. Levi, Gregory Salitra, Doron Aurbach, Alar Jänes, Enn Lust, Ion C. Halalay

Research output: Contribution to journalLetterpeer-review


A TiC-derived carbon (TiC-CDC) was prepared, and the adsorption of large hexacyanocobaltate and tetrabutylammonium ions of approximately same size was examined on this carbon. While selectively absorbing these large ions, it rejects smaller chloride and ammonium ions in mixed electrolyte solutions. The result demonstrates the important role of electrostatic repulsive forces, space-efficient charge packing and hydrophobic ion interactions with the pore walls of TiC-CDC, similar to what is known for a variety of biological membranes.

Original languageEnglish
Pages (from-to)3957-3960
Number of pages4
Issue number10
StatePublished - Aug 2012

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Materials Science


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