Transport and Relaxation of Charge in Organic-Inorganic Nanocomposites

• Authors: I. Olenych , O. Aksimentyeva , B. Tsizh , Yu. Horbenko
• Languages of publication: EN

Abstracts

EN

In this work the nanocomposites of poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) host matrix with porous silicon and ZnO nanoparticles were manufactured. The charge transport and relaxation processes in organic-inorganic nanocomposites were analyzed based on complex studies of electrical conductivity and depolarization current in the wide temperature range. By means of impedance spectroscopy we have established that increase of content of ZnO nanoparticles causes the rise in the internal resistance of the hybrid films. Based on the spectra of thermally stimulated depolarization current the localized electron states in the experimental samples are found. The combination of the porous silicon and zinc oxide nanoparticles provides an increase of surface area of the sensors and their high sensitivity to water molecules.

Keywords

EN

73.50.-h; 73.61.Ph; 82.35.Np

Discipline

• 82.35.Np: Nanoparticles in polymers(see also 81.07.-b Nanoscale materials and structures: fabrication and characterization)
• 73.50.-h: Electronic transport phenomena in thin films(for electronic transport in mesoscopic systems, see 73.23.-b; see also 73.40.-c Electronic transport in interface structures; for electronic transport in nanoscale materials and structures, see 73.63.-b)
• 73.61.Ph: Polymers; organic compounds

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2018
• Volume: 133
• Issue: 4
• Pages: 851-855

Dates

published

2018-04

Contributors

author

I. Olenych

• Ivan Franko National University of Lviv, 50, Dragomanov Str., 79005, Lviv, Ukraine

author

O. Aksimentyeva

• Ivan Franko National University of Lviv, 50, Dragomanov Str., 79005, Lviv, Ukraine

author

B. Tsizh

• Stepan Gzytsky Lviv National University of Veterinary Medicine and Biotechnologies, 50, Pekarska Str., 79010, Lviv, Ukraine
• Kazimierz Wielki University, J.K. Chodkiewicza 30, 85-064 Bydgoszcz, Poland

author

Yu. Horbenko

• Ivan Franko National University of Lviv, 50, Dragomanov Str., 79005, Lviv, Ukraine

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Identifiers

DOI

10.12693/APhysPolA.131.851