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      Ion current rectification and rectification inversion in conical nanopores: a perm-selective view.

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          Abstract

          Ionic transport in charged conical nanopores is known to give rise to ion current rectification. The present study shows that the rectification direction can be inverted when using electrolyte solutions at very low ionic strengths. To elucidate these phenomena, electroneutral conical nanopores containing a perm-selective region at the tip have been investigated and shown to behave like classical charged nanopores. An analytical model is proposed to account for these rectification processes.

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          Author and article information

          Journal
          Phys Chem Chem Phys
          Physical chemistry chemical physics : PCCP
          1463-9084
          1463-9076
          Mar 28 2011
          : 13
          : 12
          Affiliations
          [1 ] Laboratoire d'Electrochimie Physique et Analytique, Ecole Polytechnique Fédérale de Lausanne, Station 6, CH-1015 Lausanne, Switzerland.
          Article
          10.1039/c0cp02595j
          21344101
          376e51c7-601b-4e81-abd3-6161020fa0ff
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