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@ARTICLE{Matse:885753,
author = {Matse, Mpumelelo and Berg, Peter and Eikerling, Michael},
title = {{A}symmetric double-layer charging in a cylindrical
nanopore under closed confinement},
journal = {The journal of chemical physics},
volume = {152},
number = {8},
issn = {1089-7690},
address = {Melville, NY},
publisher = {American Institute of Physics},
reportid = {FZJ-2020-04065},
pages = {084103 -},
year = {2020},
abstract = {This article presents a physical–mathematical treatment
and numerical simulations of electric double layer charging
in a closed, finite, and cylindrical nanopore of circular
cross section, embedded in a polymeric host with charged
walls and sealed at both ends by metal electrodes under an
external voltage bias. Modified Poisson–Nernst–Planck
equations were used to account for finite ion sizes, subject
to an electroneutrality condition. The time evolution of the
formation and relaxation of the double layers was explored.
Moreover, equilibrium ion distributions and differential
capacitance curves were investigated as functions of the
pore surface charge density, electrolyte concentration, ion
sizes, and pore size. Asymmetric properties of the
differential capacitance curves reveal that the structure of
the double layer near each electrode is controlled by the
charge concentration along the pore surface and by charge
asymmetry in the electrolyte. These results carry
implications for accurately simulating cylindrical
capacitors and electroactuators.},
cin = {IEK-13},
ddc = {530},
cid = {I:(DE-Juel1)IEK-13-20190226},
pnm = {113 - Methods and Concepts for Material Development
(POF3-113)},
pid = {G:(DE-HGF)POF3-113},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:32113335},
UT = {WOS:000519832600003},
doi = {10.1063/1.5139541},
url = {https://juser.fz-juelich.de/record/885753},
}