Current transfer mechanisms in polyvinyl alcohol films with inclusions of multi-walled carbon nanotubes

Current-voltage and capacitance-voltage characteristics of polyvinyl alcohol (PVA) films with the inclusion of multi-walled carbon nanotubes (MWCNT) deposited on silicon and ITO substrates were experimentally studied. It is shown that such structures demonstrate rectifying properties and their curre...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-12, Vol.1697 (1), p.12104
Main Authors: Vasin, S V, Efimov, M S, Sergeev, V A, Frolov, I V
Format: Article
Language:English
Subjects:
Bias
Capacitance-voltage characteristics
Current voltage characteristics
Inclusions
Multi wall carbon nanotubes
Physics
Polyvinyl alcohol
Positive temperature coefficient
Qualitative analysis
Silicon substrates
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Summary:Current-voltage and capacitance-voltage characteristics of polyvinyl alcohol (PVA) films with the inclusion of multi-walled carbon nanotubes (MWCNT) deposited on silicon and ITO substrates were experimentally studied. It is shown that such structures demonstrate rectifying properties and their current-voltage characteristics are nonlinear. With direct bias, the structures have a positive temperature coefficient of resistance (TCR). With a reverse bias, the sign of TCR changes from negative to positive. A qualitative analysis of the results based on the tunneling mechanism of current transfer is presented.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1697/1/012104