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- 저자 : Mohamed Sh. Zoromba (검색결과 1 건)
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Ahmed F. Al-Hossainy,Mohamed Sh. Zoromba 한국고분자학회 2021 폴리머 Vol.45 No.4
The dependence of structural and optical characteristics on the thermal annealing of a doped poly(4-phenylenediamine-co-2-aminophenol) nanostructured thin film [P4D2AP]<SUP>TF</SUP> as a doped polymer conductor nanostructured thin film was studied. [P4D2AP]<SUP>TF</SUP> was fabricated as a thin film (100 ± 2 ㎚) using the spin coating method. Various characterization methods for [P4A2AP]<SUP>TF</SUP> like Fourier-transform infrared spectroscopy (FTIR), ultraviolet-visible spectroscopic (UV-Vis), thermogravimetric analysis (TGA), and optical characteristics have been studied. The resulted X-ray diffraction (XRD) and scanning electron microscope (SEM) data have been employed to study interface composites. Density functional theory (DFT) was used for optimization by atomic orbital DFT code (DMol³) and Cambridge serial total energy package (CASTEP). Spectroscopic and structural characteristics for the thin film have confirmed the chemical composition and XRD observations revealed the same crystal structure. The fabricated film was annealed in the air for 1h at 100 and 200 ℃. XRD examination of [P4D2AP]<SUP>TF</SUP> displayed that symmetry is an orthorhombic with a space group (Pmcn). The optical characteristics demonstrated that the thin film has a relatively high absorbance of 95%. The calculated energy gaps are 2.523 eV and 2.504 eV for DFT and experimental, respectively. In addition, the optoelectrical parameters of the film have been calculated for absorption index (k(λ)), refractive index (n(λ)), dielectric constant, and optical conductivity. CASTEP simulated values are consistent with the experimental values for optical parameters of [P4A2AP]<SUP>TF</SUP>. The findings of the structural and optical characteristics described the fabricated thin film can be utilized as a candidate material for optoelectronic devices and solar cells.
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