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Thermal Stability of Epitaxial Graphene Electrodes for Conductive Polymer Nanofiber Devices
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden; National Phys Lab, England.
Chalmers University of Technology, Sweden.
Seoul National University, South Korea.
Vise andre og tillknytning
2017 (engelsk)Inngår i: Crystals, ISSN 2073-4352, Vol. 7, nr 12, artikkel-id 378Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We used large area, monolayer graphene epitaxially grown on SiC (0001) as contact electrodes for polymer nanofiber devices. Our fabrication process, which avoids polymer resist residues on the graphene surface, results in graphene-polyaniline nanofiber devices with Ohmic contacts and electrical conductivity comparable to that of Au-nanofiber devices. We further checked the thermal stability of the graphene contacts to polyaniline devices by annealing up to T = 800 degrees C, the temperature at which polyaniline nanofibers are carbonized but the graphene electrode remains intact. The thermal stability and Ohmic contact of polymer nanofibers are demonstrated here, which together with the chemical stability and atomic flatness of graphene, make epitaxial graphene on SiC an attractive contact material for future all-carbon electronic devices.

sted, utgiver, år, opplag, sider
MDPI AG , 2017. Vol. 7, nr 12, artikkel-id 378
Emneord [en]
graphene; graphene electrodes; epitaxial graphene on SiC; polymer nanofibers; polyaniline nanofibers; carbonization; organic electronics; carbon electronics
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-144463DOI: 10.3390/cryst7120378ISI: 000419200500027OAI: oai:DiVA.org:liu-144463DiVA, id: diva2:1176561
Merknad

Funding Agencies|Swedish-Korean Basic Research Cooperative Program of the National Research Foundation (NRF) [NRF-2017R1A2A1A18070721]; Swedish Foundation for Strategic Research (SSF) [IS14-0053, GMT14-0077, RMA15-0024]; Swedish Research Council; Knut and Alice Wallenberg Foundation; Chalmers Area of Advance NANO; GRDC [2015K1A4A3047345]; FPRD of BK21 from the NRF through the Ministry of Science, ICT Future Planning (MSIP), Korea

Tilgjengelig fra: 2018-01-22 Laget: 2018-01-22 Sist oppdatert: 2018-02-21

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