Investigation and Modeling of the Electrical Conductivity of Graphene Nanoplatelets-Loaded Doped-Polypyrrole
Abstract
:1. Introduction
2. Electrical Conductivity Models
- Aspect ratio is concerned with either shifting the percolation threshold leftward or upward; therefore, the aspect ratio can substitute the constant in the Sigmoidal equation.
- The filler roundness has an inverse relationship to the aspect ratio, as does the constant to ; in this case, the filler roundness replaced the constant .
- The influence of surface energy on the composite is proportional to the orientation of the fillers in the matrix. This effect has an inverse impact on the electrical conductivity, as does the constant . Therefore, the surface energy replaces the constant b.
- The volume fraction is taken as .
3. Materials
4. Processing of Polymer Composites
The Electrical Conductivity Measurement
5. Results and Discussion
5.1. Morphology Analysis of the Hybrids
5.2. Thermal Analysis of the Hybrids
5.3. Structural Characterization
5.4. HGPPy.CB20% Electrical Conductivity
5.5. Measurement and Model Comparison
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Models | Parameter | Parameter Value | Standard Error | Per Unit Standard Error | R2 | R2-Adj. |
---|---|---|---|---|---|---|
Weber | 2.8504 | 0.1015 | 0.0453 | 0.923 | 0.907 |
Models | Parameters | Parameters Values | Standard Error | Per Unit Standard Error | R2 | R2-Adj. |
---|---|---|---|---|---|---|
Clingerman | 1720.8 | 255.68 | 0.1486 | 0.964 | 0.927 | |
3.8000 | 0.5413 | 0.1426 | ||||
0.3000 | 0.0480 | 0.1594 | ||||
1.1100 | 0.0132 | 0.0119 |
Models | Parameters | Parameters Values | Standard Error | Per Unit Standard Error | R2 | R2-Adj. |
---|---|---|---|---|---|---|
Taherian | 2278 | 408 | 0.1789 | 0.967 | 0.950 | |
10.54 | 2.96 | 0.2810 | ||||
0.19 | 0.04 | 0.2270 |
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Folorunso, O.; Hamam, Y.; Sadiku, R.; Ray, S.S.; Kumar, N. Investigation and Modeling of the Electrical Conductivity of Graphene Nanoplatelets-Loaded Doped-Polypyrrole. Polymers 2021, 13, 1034. https://doi.org/10.3390/polym13071034
Folorunso O, Hamam Y, Sadiku R, Ray SS, Kumar N. Investigation and Modeling of the Electrical Conductivity of Graphene Nanoplatelets-Loaded Doped-Polypyrrole. Polymers. 2021; 13(7):1034. https://doi.org/10.3390/polym13071034
Chicago/Turabian StyleFolorunso, Oladipo, Yskandar Hamam, Rotimi Sadiku, Suprakas Sinha Ray, and Neeraj Kumar. 2021. "Investigation and Modeling of the Electrical Conductivity of Graphene Nanoplatelets-Loaded Doped-Polypyrrole" Polymers 13, no. 7: 1034. https://doi.org/10.3390/polym13071034