0598599 - ÚJF 2025 RIV GB eng J - Článek v odborném periodiku
Ceccio, Giovanni - Vacík, Jiří - Fink, Dietmar - Siegel, J. - Cannavo, A.
Effect of external electric fields on the ionic conductivity of the PET ion-track membrane.
Physica Scripta. Roč. 99, č. 10 (2024), č. článku 105982. ISSN 0031-8949. E-ISSN 1402-4896
Grant CEP: GA ČR GA22-17346S
Institucionální podpora: RVO:61389005
Klíčová slova: polymeric membranes * asymmetric pores * polyethylene terephthalate * I-V characteristics * transport phenomena
Obor OECD: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Impakt faktor: 2.6, rok: 2023 ; AIS: 0.395, rok: 2023
Způsob publikování: Open access
Web výsledku:
https://doi.org/10.1088/1402-4896/ad74a9DOI: https://doi.org/10.1088/1402-4896/ad74a9

Polymeric ion track-etched membranes with asymmetric pores have been the subject of increased interest in both the academia and industry in recent decades. This interest is related to the rectification behavior of the membranes and their possible applications. In this work, the polyethylene terephthalate (PET) membranes with conical ion tracks were investigated for different etching conditions. Thin PET membranes were prepared using irradiated foils etched in a NaOH bath with the help of external electric fields (AC/DC) of a specific polarity. After etching, the I-V characteristics of the membranes were examined in the KCl solutions with different molarities. The obtained results showed that the I-V relations are strongly non-linear, thus confirming the rectification behavior of the membranes. It turned out that the external AC and DC fields applied during etching play an important role. They make it possible to influence the pore etching process, and so the properties of the membranes, which is important for the intended applications.
Trvalý link: https://hdl.handle.net/11104/0356209