Abstract
This work considers the resistances of nanocomposite’s components such as interphase space and tunneling section into Jang–Yin model to propose an advanced model for the effectual conductivity of polymer carbon nanotubes (CNTs) system (PCNT). The advanced model expresses the effectual conductivity by interphase depth, tunneling parameters and network portion. The experimental data of numerous samples evaluate the predictions obtained from original and advanced models. In addition, the effects of all model’s factors on the effectual conductivity are estimated. The predictions of original model mismatch with the measured data, while the estimations of the advanced equation correctly match with the conductivity of real specimens. The high concentration of slim CNTs as well as little tunneling resistivity and small tunnels favorably improves the effectual conductivity.
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Abbreviations
- σ :
-
Effectual conductivity
- \(\phi_{{\text{f}}}\) :
-
CNT volume portion
- R :
-
CNT radius
- R eff :
-
Total resistance in a unit cell
- \(\phi_{{\text{N}}}\) :
-
The volume portion of network
- l :
-
CNT length
- u :
-
Curliness parameter
- t :
-
Interphase thickness
- f :
-
The portion of CNTs generating the network
- R f :
-
The intrinsic resistance of CNTs
- R i :
-
The intrinsic resistance of interphase
- R tun :
-
The intrinsic resistance of tunneling part
- t m :
-
The maximum level of interphase thickness
- R tun :
-
The tunneling resistance
- R 1 :
-
Whole resistance of CNT nanoparticles
- R 2 :
-
Whole resistance of polymer layer
- λ :
-
Tunneling distance
- S :
-
Contact range
- ρ :
-
Polymer layer tunneling resistivity
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Zare, Y., Rhim, S.S. & Rhee, K.Y. Development of Jang–Yin model for effectual conductivity of nanocomposite systems by simple equations for the resistances of carbon nanotubes, interphase and tunneling section. Eur. Phys. J. Plus 136, 725 (2021). https://doi.org/10.1140/epjp/s13360-021-01417-9
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DOI: https://doi.org/10.1140/epjp/s13360-021-01417-9