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An Ionic Capacitor for Integrated Iontronic Circuits
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-0302-226X
Korea Adv Inst Sci and Technol, South Korea.
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-5154-0291
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2019 (English)In: ADVANCED MATERIALS TECHNOLOGIES, ISSN 2365-709X, Vol. 4, no 4, article id 1800494Article in journal (Refereed) Published
Abstract [en]

Organic electronics, in combination with custom polyelectrolytes, enables solid- and hydrogel-state circuit components using ionic charges in place of the electrons of traditional electronics. This growing field of iontronics leverages anion- and cation-exchange membranes as analogs to n-type and p-type semiconductors, and conjugated polymer electrodes as ion-to-electron converters. To date, the iontronics toolbox includes ionic resistors, ionic diodes, ionic transistors, and analog and digital circuits comprised thereof. Here, an ionic capacitor based on mixed electron-ion conductors is demonstrated. The ionic capacitor resembles the structure of a conventional electrochemical capacitor that is inverted, with an electronically conducting core and two electrolyte ionic conductors. The device is first verified as a capacitor, and then demonstrated as a smoothing element in an iontronic diode bridge circuit driving an organic electronic ion pump (ionic resistor). The ionic capacitor complements the existing iontronics toolbox, enabling more complex and functional ionic circuits, and will thus have implications in a variety of mixed electron-ion conduction technologies.

Place, publisher, year, edition, pages
WILEY , 2019. Vol. 4, no 4, article id 1800494
Keywords [en]
capacitor; controlled delivery; ion exchange membranes; iontronic; organic electronics
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-157235DOI: 10.1002/admt.201800494ISI: 000465321800004OAI: oai:DiVA.org:liu-157235DiVA, id: diva2:1324208
Note

Funding Agencies|Swedish Foundation for Strategic Research; Swedish Research Council; Vinnova; onnesjo Foundation; Knut and Alice Wallenberg Foundation

Available from: 2019-06-13 Created: 2019-06-13 Last updated: 2019-10-31

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Janson, PerGabrielsson, ErikBerggren, MagnusSimon, Daniel
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Inorganic Chemistry

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