期刊
PHYSICAL REVIEW LETTERS
卷 85, 期 5, 页码 1132-1135出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.1132
关键词
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The selectivity of micropores and ion channels is examined fur simple pore topologies within the framework of density functional theory of highly confined fluids. In an infinite cylindrical pore purely steric (excluded volume) effects are shown to lead to strong, nontrivial size selectivity, which is highly sensitive to the pore radius. A crude modeling of electrostatic effects does not alter the relative absorbance of Na+ and K+ ions in a significant way.
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