Abstract
Transient current (I-t), current-voltage (I-V) characteristics, and dc conductivity ln(σ) for bisphenol A corn-cobs (BPACC) sample were investigated. At higher temperatures, I-V characteristics reveal that the dc cur-rent for the sample undergoes two regions one due to ohmic conduction and the other has been attributed to Space charge limited current (SCLC). The activation energy (Ea), the electron mobility μo), effective electron mobility ?μe), the concentration of the charge’s concentrations in conduction band, trapping factor (θ) and the trap concentration (Nt) were calculated. At lower temperatures, the dc current exhibits a peculiar behavior for I-t regime and I-V characteristics. Transient current of BPACC sample exhibits approximately constant value at constant electric field and it has saturation value for I-V characteristics. The attained results suggest strongly the applicability of this material in the electrical applications.
Highlights
IntroductionPhenol and phenolic derivatives are major industrial (petroleum, chemical and plastic) and agricultural by product that are found on surface of water as well as in food and clinical samples
Phenol and phenolic derivatives are major industrial and agricultural by product that are found on surface of water as well as in food and clinical samples
I-V characteristics reveal that the dc current for the sample undergoes two regions one due to ohmic conduction and the other has been attributed to Space charge limited current (SCLC)
Summary
Phenol and phenolic derivatives are major industrial (petroleum, chemical and plastic) and agricultural by product that are found on surface of water as well as in food and clinical samples. Bisphenol A (BPA) used to fabricate polycarbonate plastic and resins. The use of BPA as the condensation agent with Egyptian corncobs was investigated [5]. The optimum preparation conditions and characterization of bisphenol A Egyptian bagasse pith polycondensation products and corncobs have been reported [5]. The chemical analysis and IR spectroscopy have shown that bisphenol A Egyptian corncobs (BPACC) resin has a complicated structure. The resin structure includes furan and lignin hydrolysate units. They are present in a random alternation in the resin chains. IR spectroscopy of soda lignin/bisphenol resin shows the presence of aliphatic methyl, methylene, O-CH3, and strong OH groups [6]
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