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Conductivity inversion of methyl viologen-modified random networks of single-walled carbon nanotubes
PAS, CENTERA Labs, Inst High Pressure Phys, Ul Sokolowska 29-37, PL-01142 Warsaw, Poland.;Mil Univ Technol, Inst Optoelect, Ul Gen Sylwestra Kaliskiego 2, PL-00098 Warsaw, Poland..
PAS, CENTERA Labs, Inst High Pressure Phys, Ul Sokolowska 29-37, PL-01142 Warsaw, Poland..
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems.ORCID iD: 0000-0003-0368-1668
PAS, CENTERA Labs, Inst High Pressure Phys, Ul Sokolowska 29-37, PL-01142 Warsaw, Poland..
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2023 (English)In: Carbon, ISSN 0008-6223, E-ISSN 1873-3891, Vol. 202, p. 214-220Article in journal (Refereed) Published
Abstract [en]

One of the challenges of using carbon nanotubes electronics is achieving precise control of the conductivity type. It is particularly difficult to obtain the n-type conductive nanotubes. One of the most common methods of CNTs modification allowing to change their conductivity type is chemical functionalization. This paper describes the results of studies on non-covalent modification of randomly oriented single-walled carbon nan-otubes (SWCNT) layers with methyl viologen (MV), which allows for the change of the conductivity of SWCNT from p- to n-type. The properties of pristine and MV-modified SWCNT have been compared using Scanning Electron Microscopy, Raman spectroscopy, and X-ray Photoelectron Spectroscopy. The SWCNT conductivity type change was confirmed by photo-conductance under ultraviolet illumination and measurements in the field effect transistor configuration.

Place, publisher, year, edition, pages
Elsevier BV , 2023. Vol. 202, p. 214-220
Keywords [en]
Single-walled carbon nanotubes, SWCNT, Methyl viologen, Modification, UV light, Conductivity
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-322864DOI: 10.1016/j.carbon.2022.10.071ISI: 000892293800004Scopus ID: 2-s2.0-85142818676OAI: oai:DiVA.org:kth-322864DiVA, id: diva2:1724643
Note

QC 20230109

Available from: 2023-01-09 Created: 2023-01-09 Last updated: 2023-01-25Bibliographically approved

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Smirnov, SergueiLioubtchenko, Dmitri

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