Observation of negative differential resistance in mesoscopic graphene oxide devices

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dc.authoridKim, Sang-Woo/0000-0002-0079-5806
dc.authoridKim, Gil-Ho/0000-0002-5153-4235
dc.contributor.authorRathi, Servin
dc.contributor.authorLee, Inyeal
dc.contributor.authorKang, Moonshik
dc.contributor.authorLim, Dongsuk
dc.contributor.authorLee, Yoontae
dc.contributor.authorYamaçlı, Serhan
dc.contributor.authorJoh, Han-Ik
dc.date.accessioned2025-02-24T17:18:41Z
dc.date.available2025-02-24T17:18:41Z
dc.date.issued2018
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümü
dc.description.abstractThe fractions of various functional groups in graphene oxide (GO) are directly related to its electrical and chemical properties and can be controlled by various reduction methods like thermal, chemical and optical. However, a method with sufficient controllability to regulate the reduction process has been missing. In this work, a hybrid method of thermal and joule heating processes is demonstrated where a progressive control of the ratio of various functional groups can be achieved in a localized area. With this precise control of carbon-oxygen ratio, negative differential resistance (NDR) is observed in the current-voltage characteristics of a two-terminal device in the ambient environment due to charge-activated electrochemical reactions at the GO surface. This experimental observation correlates with the optical and chemical characterizations. This NDR behavior offers new opportunities for the fabrication and application of such novel electronic devices in a wide range of devices applications including switches and oscillators.
dc.description.sponsorshipBasic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [2016R1A2A2A05921925, 2016R1D1A1B03932455]; Korea Research Fellowship Program through the NRF - Ministry of Science, ICT and Future Planning [2015H1D3A1062519]; Institute for Information & Communications Technology Promotion grant - Korea government (MSIT) [2016-0-00576]
dc.description.sponsorshipThis research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2016R1A2A2A05921925, and 2016R1D1A1B03932455) and Korea Research Fellowship Program through the NRF funded by the Ministry of Science, ICT and Future Planning (2015H1D3A1062519). This work was partly supported by Institute for Information & Communications Technology Promotion grant funded by the Korea government (MSIT, Grant No. 2016-0-00576, Fundamental technologies of two-dimensional materials and devices for the platform of new-functional smart devices).
dc.identifier.doi10.1038/s41598-018-22355-0
dc.identifier.issn2045-2322
dc.identifier.pmid29739956
dc.identifier.scopus2-s2.0-85046861630
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1038/s41598-018-22355-0
dc.identifier.urihttps://hdl.handle.net/20.500.14440/800
dc.identifier.volume8
dc.identifier.wosWOS:000431623800014
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherNature Portfolio
dc.relation.ispartofScientific Reports
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250201
dc.subjectHeterostructures
dc.subjectDiodes
dc.subjectDielectrophoresis
dc.subjectNanostructures
dc.subjectReduction
dc.subjectEfficient
dc.titleObservation of negative differential resistance in mesoscopic graphene oxide devices
dc.typeArticle

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