Time-dependent behavior of cation transport through cellulose acetate-cationic polyelectrolyte membranes

Janina Hakanpää, Kirsi Yliniemi, Benjamin P. Wilson, Matti Putkonen, Sarah Höhn, Eero Kontturi, Sannakaisa Virtanen, Lasse Murtomäki

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    Cation transport through a cellulose acetate-poly(N,N-dimethylaminoethyl methacrylate) membrane (CA:PDMAEMA) was studied with scanning electrochemical microscope (SECM) and the thickness increase of the membrane was monitored with ellipsometry. Upon addition of the polyelectrolyte PDMAEMA, the permeability of the probe cation (ferrocenium methanol, FcMeOH) was increased as much as 40-fold. Soaking membranes in an electrolyte solution doubled the permeability in plain CA membranes, whereas for PDMAEMA containing membranes the opposite was observed and the permeability was reduced by 20–40%. This time-dependent behavior is shown to be a result of the presence of PDMAEMA within the membrane matrix, thus providing an interesting platform for controllable membrane permeability.

    Original languageEnglish
    Pages (from-to)H39-H44
    JournalJournal of the Electrochemical Society
    Volume165
    Issue number2
    DOIs
    Publication statusPublished - 1 Jan 2018
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Polyelectrolytes
    cellulose
    Cations
    acetates
    Cellulose
    Positive ions
    membranes
    Membranes
    cations
    permeability
    soaking
    Ellipsometry
    polycations
    acetylcellulose
    plains
    Electrolytes
    ellipsometry
    Methanol
    Microscopes
    methyl alcohol

    Cite this

    Hakanpää, J., Yliniemi, K., Wilson, B. P., Putkonen, M., Höhn, S., Kontturi, E., ... Murtomäki, L. (2018). Time-dependent behavior of cation transport through cellulose acetate-cationic polyelectrolyte membranes. Journal of the Electrochemical Society, 165(2), H39-H44. https://doi.org/10.1149/2.1231802jes
    Hakanpää, Janina ; Yliniemi, Kirsi ; Wilson, Benjamin P. ; Putkonen, Matti ; Höhn, Sarah ; Kontturi, Eero ; Virtanen, Sannakaisa ; Murtomäki, Lasse. / Time-dependent behavior of cation transport through cellulose acetate-cationic polyelectrolyte membranes. In: Journal of the Electrochemical Society. 2018 ; Vol. 165, No. 2. pp. H39-H44.
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    abstract = "Cation transport through a cellulose acetate-poly(N,N-dimethylaminoethyl methacrylate) membrane (CA:PDMAEMA) was studied with scanning electrochemical microscope (SECM) and the thickness increase of the membrane was monitored with ellipsometry. Upon addition of the polyelectrolyte PDMAEMA, the permeability of the probe cation (ferrocenium methanol, FcMeOH) was increased as much as 40-fold. Soaking membranes in an electrolyte solution doubled the permeability in plain CA membranes, whereas for PDMAEMA containing membranes the opposite was observed and the permeability was reduced by 20–40{\%}. This time-dependent behavior is shown to be a result of the presence of PDMAEMA within the membrane matrix, thus providing an interesting platform for controllable membrane permeability.",
    author = "Janina Hakanp{\"a}{\"a} and Kirsi Yliniemi and Wilson, {Benjamin P.} and Matti Putkonen and Sarah H{\"o}hn and Eero Kontturi and Sannakaisa Virtanen and Lasse Murtom{\"a}ki",
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    Hakanpää, J, Yliniemi, K, Wilson, BP, Putkonen, M, Höhn, S, Kontturi, E, Virtanen, S & Murtomäki, L 2018, 'Time-dependent behavior of cation transport through cellulose acetate-cationic polyelectrolyte membranes', Journal of the Electrochemical Society, vol. 165, no. 2, pp. H39-H44. https://doi.org/10.1149/2.1231802jes

    Time-dependent behavior of cation transport through cellulose acetate-cationic polyelectrolyte membranes. / Hakanpää, Janina; Yliniemi, Kirsi; Wilson, Benjamin P.; Putkonen, Matti; Höhn, Sarah; Kontturi, Eero; Virtanen, Sannakaisa; Murtomäki, Lasse.

    In: Journal of the Electrochemical Society, Vol. 165, No. 2, 01.01.2018, p. H39-H44.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - Hakanpää, Janina

    AU - Yliniemi, Kirsi

    AU - Wilson, Benjamin P.

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    AU - Höhn, Sarah

    AU - Kontturi, Eero

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    AU - Murtomäki, Lasse

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