2022
DOI: 10.1002/smll.202203396
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A New Strategy for Highly Efficient Separation between Monovalent Cations by Applying Opposite‐Oriented Pressure and Electric Fields

Abstract: Biological ion channels exhibit excellent ion selectivity, but it has been challenging to design their artificial counterparts, especially for highly efficient separation of similar ions. Here, a new strategy to achieve high selectivity between alkali metal ions with artificial nanostructures is reported. Molecular dynamics (MD) simulations and experiments are combined to study the transportation of monovalent cations through graphene oxide (GO) nanoslits by applying pressure or/and electric fields. It is foun… Show more

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Cited by 4 publications
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“…Graphene oxide (GO) is a promising separation material because it combines molecular sieving with high water permeation. [1][2][3][4][5][6][7][8][9][10] The hydrophobic and hydrophilic patches on GO and their molecular-scale distribution can signicantly alter mass transport. 11,12 However, direct observation of water structure near GO surfaces is very difficult in real membrane applications.…”
Section: Introductionmentioning
confidence: 99%
“…Graphene oxide (GO) is a promising separation material because it combines molecular sieving with high water permeation. [1][2][3][4][5][6][7][8][9][10] The hydrophobic and hydrophilic patches on GO and their molecular-scale distribution can signicantly alter mass transport. 11,12 However, direct observation of water structure near GO surfaces is very difficult in real membrane applications.…”
Section: Introductionmentioning
confidence: 99%