The redox nature of the resistive switching in nanocomposite thin films based on graphene (graphene oxide) nanoparticles and poly(9-vinylcarbazole)

A.N. Aleshin, P.S. Krylov, A.S. Berestennikov, I.P. Shcherbakov, V.N. Petrov, V.V. Kondratiev, S.N. Eliseeva

Результат исследований: Научные публикации в периодических изданияхстатья

19 Цитирования (Scopus)

Аннотация

© 2016 Elsevier B.V. All rights reserved. The effects of resistive switching were investigated in composite films based on multifunctional nonconjugated polymers such as poly(9-vinylcarbazole) - PVK mixed with particles of graphene (Gr) and graphene oxide (GO). The concentration of Gr and GO particles in the PVK matrix was varied in the range of 1-3 wt%, which is close to the percolation threshold in these systems. It was found that the effect of switching in structures of the form Al/PVK:Gr(GO)/ITO/PET manifests itself in a sharp change of the electrical resistance of the composite film from a low-conducting state to a relatively high-conducting state when applying a bias to Al-ITO electrodes of ∼0.2-0.4 V, which is below the threshold switching voltages for similar composites. The cyclic voltammetric measurements of PVK:Gr(GO) films were carried out. It was found that the potential of redox transition of Gr/GO belongs to the interval of redox-switching voltage of PVK:Gr(GO)/ITO/PET composite films with effe
Язык оригиналаанглийский
Страницы (с-по)7-13
ЖурналSynthetic Metals
Том217
DOI
СостояниеОпубликовано - 2016

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