• Physical and chemical response of 70 MeV carbon ion irradiated Kapton-H polymer

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    • Keywords

       

      Kapton-H polymer; carbon ions; radiation effects; UV and FT-IR spectroscopy; X-ray diffraction.

    • Abstract

       

      Physical and chemical responses of 70 MeV carbon ion irradiated Kapton-H polymer were studied by using UV-visible, FTIR and XRD techniques. The ion fluences ranging from 9.3 × 1011–9 × 1013 ions cm–2 were used. Recorded UV-visible spectra clearly showed a decrease in absorption initially with fluence, but for the higher fluences it showed a recovery characteristic. A decrease in band-gap energy of 0.07 eV was observed. The FTIR analysis indicated the high resistance to radiation induced degradation of polymer. The diffraction pattern of Kapton-H indicates that this polymer is semi-crystalline in its nature. In case of irradiated one, there was an average increase of crystallite size by 20%, but diffuse pattern indicates that there was a decrease in crystallinity, which may be attributed to the formation of complex structure induced by the cross-linking of the polymeric chains.

    • Author Affiliations

       

      H S Virk1 P S Chandi1 A K Srivastava1

      1. Department of Physics, Guru Nanak Dev University, Amritsar 143 005, India
    • Dates

       
  • Bulletin of Materials Science | News

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