Analysis of the electronic structure of polyacetylene based on its optical absorption spectra

  • Kobryansky V
  • Tereshko E
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Abstract

A comparison of the characteristics of the electronic absorption spectra for polyacetylene (PA) prepared by different methods has been carried out. The comparison shows that the concentration of PA molecules (or their fragments) with a bandgap of different widths depends mainly on the crystalline structure and morphology of PA as well as on the concentration of conformational and chemical defects in the macromolecules. The dependence on chain length is evident only for low-molecular weight samples. © 1991.

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Authors

  • V. M. Kobryansky

  • E. A. Tereshko

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