Synthesis and characterization of a new organic semiconductor material

Imane Tiffour, Abdelkader Dehbi, Abdel Hamid I. Mourad, Abdelkader Belfedal

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

The objective of this study is to create an ideal mixture of Acetaminophen/Curcumin leading to a new and improved semiconductor material, by a study of the electrical, thermal and optical properties. This new material will be compared with existing semiconductor technology to discuss its viability within the industry. The electrical properties were investigated using complex impedance spectroscopy and optical properties were studied by means of UV-Vis spectrophotometry. The electric conductivity σ, the dielectric constant ϵr, the activation energy Ea, the optical transmittance T and the gap energy Eg have been investigated in order to characterize our organic material. The electrical conductivity of the material is approximately 10-5 S/m at room temperature, increasing the temperature causes σ to increase exponentially to approximately 10-4 S/m. The activation energy obtained for the material is equal to 0.49 ± 0.02 ev. The optical absorption spectra show that the investigating material has absorbance in the visible range with a maximum wavelength (λmax) 424 nm. From analysis, the absorption spectra it was found the optical band gap equal to 2.6 ± 0.02 eV and 2.46 ± 0.02 eV for the direct and indirect transition, respectively. In general, the study shows that the developed material has characteristics of organic semiconductor material that has a promising future in the field of organic electronics and their potential applications, e.g., photovoltaic cells.

Original languageEnglish
Pages (from-to)49-56
Number of pages8
JournalMaterials Chemistry and Physics
Volume178
DOIs
Publication statusPublished - 2016

Keywords

  • Differential scanning calorimetry (DSC)
  • Electrical properties
  • Optical properties
  • Organic semiconductor
  • Thermo gravimetric analyses (TGA)
  • X-ray diffraction

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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