Electrical properties and transport conduction mechanism of nitrile rubber/poly(vinyl chloride) blend

Mansour, Shehab A.; Al-Ghoury, M. E.; Shalaan, E.; Eraki, M. H. I. El; Abdel‐Bary, E. M.

doi:10.1002/app.30934

Cited by 9 publications

(1 citation statement)

References 23 publications

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“…In the Schottky mechanism, the current is due to the transition of electrons between the cathode (metal electrode) and the NC film. In Poole-Frenkel mechanism, the emission of charge carriers trapped in the defect centers contributes to the conduction process [113], hence, it is a bulk limited process. To determine the exact mechanism responsible for the nonlinear variation of current with voltage, a detailed analysis of the I-V characteristics has been carried out.…”

Section: Current-voltage (I-v) Characteristicsmentioning

confidence: 99%

Metal oxide nanofillers induced changes in material properties and related applications of polymer composites

Al-Gunaid,

Maheshwarappa,

Shivanna

et al. 2023

Eur J Chem

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Nanometal oxides have attracted considerable research interest because of the widespread applications in which nanomaterials can be synthesised in various oxide forms that can adopt various structural geometries with unique electronic band structures. Additionally, nanometal oxides provide unique features imputed to quantum confinement effects that stimulate changes in their optical, electrical, and optoelectronic behaviours. Meanwhile, introducing such nanometal oxides into host polymeric materials enables the formation of advanced polymeric nanocomposites with versatile properties. Even so, the utilisation of such nanocomposites in diverse potential applications requires a fundamental understanding of their inherent material functionalities. Therefore, this document aims to demonstrate the importance of polymer nanocomposites with a special focus on the impact of nanometal oxides to enhance the optical and electrical behaviours of polymer composites for advanced optoelectronic and energy storage applications.

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Section: Current-voltage (I-v) Characteristicsmentioning

confidence: 99%

Metal oxide nanofillers induced changes in material properties and related applications of polymer composites

Al-Gunaid,

Maheshwarappa,

Shivanna

et al. 2023

Eur J Chem

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Thermoelectric Power Properties of Graphite‐Loaded Nitrile Rubber/Poly(vinyl chloride) Blends Above the Percolation Threshold

2014

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Electrical conductivity, thermoelectric power (TEP), and thermal measurements were used to characterize acrylonitrile butadiene rubber/poly(vinyl chloride) blends loaded with graphite above the percolation threshold as thermoelectric materials. Low thermal conductivities and high electrical conductivities accompanied with relatively high Seebeck coefficients lead to relatively high thermoelectric performances (ZT = 2.24 × 10 −6 ). The TEP of composites is (9.5-16.2) μV/°C near room temperature. Two conduction mechanisms have been identified in composites above the percolation: the metallic-like mechanism in the temperature range of 308-363 K and variable range hopping mechanism due to delocalized electrons at the Fermi level above 363 K.Using the values of the dc electrical conductivity and TEP, the values of the charge carrier concentration and the charge carrier mobility were calculated. C

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Dielectric dispersion and AC conductivity of acrylonitrile butadiene rubber‐poly(vinyl chloride)/graphite composite

Mansour

Al-Ghoury

Shalaan

et al. 2011

J of Applied Polymer Sci

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Dielectric properties and ac electrical conductivity of Acrylonitrile Butadiene Rubber-poly(vinyl chloride)/Graphite Composite were studied at different frequencies (10 2 À10 6 Hz) in the temperature range (298-423 K). The results show that the dielectric constant (e 0 ), dielectric loss (e 00 ), ac electrical conductivity (r ac ) and, the electric modulus are strongly dependent on the frequency and temperature. The dielectric constant e 0 increases with temperature and decreases with frequency, whereas the dielectric loss e 00 displays a broad maximum peak whose position shifts with temperature to a higher frequency region. Cole-Cole diagrams have been used to investigate the frequency dependence of the complex impedance at different temperature and graphite loading. Interfacial or Maxwell-Wagner-Sillars relaxation process was revealed in the frequency range and temperature interval of the measurements, which was found to follow the Havriliak-Negami approach for the distribution of relaxation times. At constant temperature, the frequency dependence of ac conductivity was found to fit with the established equation r ac (x) ¼ Ax s quite well. The values of S for the investigated samples lie between 0.88 and 0.11. The conduction mechanism of ac conduction was discussed by comparing the behavior of the frequency exponent S(T) with different theoretical models. It was found that the correlated barrier hopping (C.B.H.) is the dominant conduction mechanism.

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Electrical properties and transport conduction mechanism of nitrile rubber/poly(vinyl chloride) blend

Cited by 9 publications

References 23 publications

Metal oxide nanofillers induced changes in material properties and related applications of polymer composites

Metal oxide nanofillers induced changes in material properties and related applications of polymer composites

Thermoelectric Power Properties of Graphite‐Loaded Nitrile Rubber/Poly(vinyl chloride) Blends Above the Percolation Threshold

Dielectric dispersion and AC conductivity of acrylonitrile butadiene rubber‐poly(vinyl chloride)/graphite composite

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