Optical properties of surface modified polypropylene by plasma immersion ion implantation technique

Ahmed, Sk. Faruque; Myoung-Woon Moon; Chansoo Kim; Yong-Jun Jang; Seonghee Han; Jin-Young Choi; Won-Woong Park; Kwang-Ryeol Lee
August 2010
Applied Physics Letters;8/23/2010, Vol. 97 Issue 8, p081908
Academic Journal
The optical band gap and activation energy of polypropylene (PP) induced by an Ar plasma immersion ion implantation technique were studied in detail. It was revealed that the structural alternation with an increase in polymer chain cross-linking in the ion beam affected layer enhanced the optical properties of PP. The optical band gap, calculated from the transmittance spectra, decreased from 3.44 to 2.85 eV with the Ar plasma ion energy from 10 to 50 keV. The activation energy, determined from the band tail of the transmittance spectra, decreased while the electrical conductivity increased with the Ar plasma ion energy.


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