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High-Performance Vertical Organic Electrochemical Transistors.

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cam.issuedOnline2017-12-20
dc.contributor.authorDonahue, Mary J
dc.contributor.authorWilliamson, Adam
dc.contributor.authorStrakosas, Xenofon
dc.contributor.authorFriedlein, Jacob T
dc.contributor.authorMcLeod, Robert R
dc.contributor.authorGleskova, Helena
dc.contributor.authorMalliaras, George G
dc.contributor.orcidDonahue, Mary J [0000-0002-7557-5760]
dc.contributor.orcidMalliaras, George G [0000-0002-4582-8501]
dc.date.accessioned2018-03-27T09:56:34Z
dc.date.accessioned2018-11-26T20:20:47Z
dc.date.available2018-03-27T09:56:34Z
dc.date.available2018-11-26T20:20:47Z
dc.date.issued2018-02
dc.description.abstractOrganic electrochemical transistors (OECTs) are promising transducers for biointerfacing due to their high transconductance, biocompatibility, and availability in a variety of form factors. Most OECTs reported to date, however, utilize rather large channels, limiting the transistor performance and resulting in a low transistor density. This is typically a consequence of limitations associated with traditional fabrication methods and with 2D substrates. Here, the fabrication and characterization of OECTs with vertically stacked contacts, which overcome these limitations, is reported. The resulting vertical transistors exhibit a reduced footprint, increased intrinsic transconductance of up to 57 mS, and a geometry-normalized transconductance of 814 S m-1 . The fabrication process is straightforward and compatible with sensitive organic materials, and allows exceptional control over the transistor channel length. This novel 3D fabrication method is particularly suited for applications where high density is needed, such as in implantable devices.
dc.format.mediumPrint-Electronic
dc.identifier.doi10.17863/CAM.33313
dc.identifier.eissn1521-4095
dc.identifier.issn0935-9648
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/285992
dc.languageeng
dc.language.isoeng
dc.publisherWiley
dc.publisher.urlhttp://dx.doi.org/10.1002/adma.201705031
dc.relation.replaceshttps://www.repository.cam.ac.uk/handle/1810/274378
dc.relation.replaces1810/274378
dc.subjectdevice density
dc.subjectelectrochemical transistors
dc.subjectorganic bioelectronics
dc.subjecttransconductance
dc.subjectvertical
dc.titleHigh-Performance Vertical Organic Electrochemical Transistors.
dc.typeArticle
dcterms.dateAccepted2017-10-04
prism.issueIdentifier5
prism.publicationDate2018
prism.publicationNameAdv Mater
prism.volume30
rioxxterms.licenseref.startdate2018-02
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.typeJournal Article/Review
rioxxterms.versionAM
rioxxterms.versionofrecord10.1002/adma.201705031

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