Effects of Brownian Motions on Electrical Conductivity and Optical Transparency of Two-Dimensional Films Filled by Needle-Like Particles

Authors

  • L. O. Mazur Taras Shevchenko National University, Faculty of Physics
  • L. A. Bulavin Taras Shevchenko National University, Faculty of Physics
  • N. V. Vygornitskii F.D. Ovcharenko Institute of Biocolloidal Chemistry, NAS of Ukraine
  • N. I. Lebovka F.D. Ovcharenko Institute of Biocolloidal Chemistry, NAS of Ukraine, Taras Shevchenko National University, Faculty of Physics

DOI:

https://doi.org/10.15407/ujpe64.4.354

Keywords:

Monte-Carlo method, two-dimensional films, aging, Brownian motion, electrical conductivity, optical transparency

Abstract

The effects of Brownian motions on the electrical conductivity and optical transparency of two-dimensional films filled with needle-like particles (needles) have been investigated, using the Monte-Carlo method. The initial state of the system was produced with the use of the random-sequential adsorption process. In the subsequent evolution (aging) of the system, the translation and rotation diffusion motions are taken into account. The intersections between needles are forbidden. The interaction potential between needles is short-range (i.e., it is nonzero at distances less than Rc) and is dependent on the angle between needles ф(∝ cos2 ф). The aging results in the formation of island, net-like, and hole-like (with significant cavities) structures depending on parameters of the interaction potential. The relations between the electrical conductivity and the optical transparency during the aging are discussed.

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Published

2019-05-16

How to Cite

Mazur, L. O., Bulavin, L. A., Vygornitskii, N. V., & Lebovka, N. I. (2019). Effects of Brownian Motions on Electrical Conductivity and Optical Transparency of Two-Dimensional Films Filled by Needle-Like Particles. Ukrainian Journal of Physics, 64(4), 354. https://doi.org/10.15407/ujpe64.4.354

Issue

Section

Structure of materials

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