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Wireless organic electronic ion pumps driven by photovoltaics
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Faculty of Science & Engineering. Linköping University, Department of Science and Technology, Laboratory of Organic Electronics.
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering. (Wallenberg Centre for Molecular Medicine)
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.
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2019 (English)In: npj Flexible Electronics, ISSN 2397-4621, Vol. 3, no 1, p. 14-14Article in journal (Refereed) Published
Abstract [en]

The organic electronic ion pump (OEIP) is an emerging bioelectronic technology for on-demand and local delivery of pharmacologically active species, especially targeting alkali ions, and neurotransmitters. While electrical control is advantageous for providing precise spatial, temporal, and quantitative delivery, traditionally, it necessitates wiring. This complicates implantation. Herein, we demonstrate integration of an OEIP with a photovoltaic driver on a flexible carrier, which can be addressed by red light within the tissue transparency window. Organic thin-film bilayer photovoltaic pixels are arranged in series and/or vertical tandem to provide the 2.5–4.5 V necessary for operating the high-resistance electrophoretic ion pumps. We demonstrate light-stimulated transport of cations, ranging in size from protons to acetylcholine. The device, laminated on top of the skin, can easily be driven with a red LED emitting through a 1.5-cm-thick finger. The end result of our work is a thin and flexible integrated wireless device platform.

Place, publisher, year, edition, pages
Nature Publishing Group, 2019. Vol. 3, no 1, p. 14-14
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Materials Chemistry
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URN: urn:nbn:se:liu:diva-160118DOI: 10.1038/s41528-019-0060-6OAI: oai:DiVA.org:liu-160118DiVA, id: diva2:1348918
Available from: 2019-09-05 Created: 2019-09-05 Last updated: 2019-09-13Bibliographically approved

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Arbring, TheresiaĐerek, VedranPoxson, DavidBerggren, MagnusGlowacki, EricSimon, Daniel T

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Jakešová, MarieArbring, TheresiaĐerek, VedranPoxson, DavidBerggren, MagnusGlowacki, EricSimon, Daniel T
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Laboratory of Organic ElectronicsFaculty of Science & Engineering
Materials Chemistry

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