A model for the current-voltage characteristic of membrane/electrolyte junctions

Leandro Julian Mele, Muhammad A. Alam, Pierpaolo Palestri

Type: Preprint

Publication Date: 2024-08-30

Citations: 0

DOI: https://doi.org/10.48550/arxiv.2409.10530

Abstract

A model for the current-voltage characteristic of the junction between an Ion-Sensitive-Membrane and an electrolyte solution is derived and compared with numerical simulations of the Poisson-Nernst-Planck model for ion transport. The expression resembles that of a semiconductor pn junction with a non-ideality factor of 2. The non-ideality correlated to the voltage drop in the electrolyte induced by the re-arrangement of the counter-ions.

Locations

arXiv (Cornell University) - View - PDF

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