Electric current conduction of percolation channels in nanocomposites with a hopping charge transfer mechanism

Przemysław Rogalski; Paweł Żukowski

doi:10.1117/12.2324857

31 December 2018 Electric current conduction of percolation channels in nanocomposites with a hopping charge transfer mechanism

Przemysław Rogalski, Paweł Żukowski

Author Affiliations +

Proceedings Volume 10977, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX; 109771J (2018) https://doi.org/10.1117/12.2324857
Event: Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies IX, 2018, Constanta, Romania

Abstract

In the paper, direct current conductivity of percolation channels in composite cellulose - insulating oil - water nanodrops, was analyzed. Number of nanodrops in macroscopic length channel (on the order of a few millimeters) is about 10⁶. In such nanocomposites below the percolation threshold, direct current conduction takes place by electron tunneling between the potential wells generated by the nanoparticles of the conducting phase. On the basis of the tunneling mechanism, percolation channel resistance was calculated in which the nanoparticles are randomly distributed. Gauss probability distribution of the distances between neighboring nanodrops was used for the calculations. The standard deviation of the average distance between neighboring nanodrops was chosen as the disorder factor. It was established that the percolation channel resistance value is lowest in the case of regular distribution of the nanodrops. With the increase in disorder, which is characterized by an increase in the standard deviation value, the resistance of the percolation channel increases.

Citation Download Citation

Przemysław Rogalski and Paweł Żukowski "Electric current conduction of percolation channels in nanocomposites with a hopping charge transfer mechanism", Proc. SPIE 10977, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX, 109771J (31 December 2018); https://doi.org/10.1117/12.2324857

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