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Ionic liquid microdroplet manipulation by electrowetting-on-dielectric for on/off diffusion control
KTH, School of Electrical Engineering and Computer Science (EECS), Micro and Nanosystems.ORCID iD: 0000-0002-3549-0228
KTH.
KTH, School of Electrical Engineering and Computer Science (EECS), Micro and Nanosystems.
KTH, School of Electrical Engineering and Computer Science (EECS), Micro and Nanosystems.ORCID iD: 0000-0001-9552-4234
2018 (English)In: 2018 IEEE Micro Electro Mechanical Systems (MEMS), Institute of Electrical and Electronics Engineers (IEEE), 2018, p. 1181-1184Conference paper, Published paper (Refereed)
Abstract [en]

This article presents a proof-of-concept of a device able to control (ON/OFF) gas diffusion through a perforated membrane. The microfabricated system is based on electrowetting-on-dielectric (EWOD) actuation of ionic liquid (IL) microdroplets and can be electrically toggled from an open to a closed state, in which microdroplets cover or uncover the membrane openings, respectively. The system is designed to be integrated with liquid-electrolyte-based electrochemical gas sensors, to extend their lifetime by reducing electrolyte evaporation and allowing recalibration. The realized device was proven to limit gas diffusion and water evaporation through perforated portions of thin membranes on command.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. p. 1181-1184
Series
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), ISSN 1084-6999
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-228548DOI: 10.1109/MEMSYS.2018.8346773ISI: 000434960900308Scopus ID: 2-s2.0-85047004600ISBN: 9781538647820 (print)OAI: oai:DiVA.org:kth-228548DiVA, id: diva2:1210359
Conference
31st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2018, Belfast, United Kingdom, 21 January 2018 through 25 January 2018
Funder
EU, European Research CouncilSwedish Research Council
Note

QC 20180528

Available from: 2018-05-28 Created: 2018-05-28 Last updated: 2018-09-05Bibliographically approved

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Ribet, FedericoRoxhed, NiclasStemme, Göran

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