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Vibrational spectra of silicon implanted polymethyl- methacrylate (PMMA) and poly-propylene (PP)♣

M. BALEVA1, G. ZLATEVA2, T. TSVETKOVA3,* , S. BALABANOV3, L. BISCHOFF4

Affiliation

  1. Faculty of Physics, Sofia University, 5 J.Boucher Str., 1164 Sofia, Bulgaria
  2. Faculty of Medicine, Sofia University, 1 Koziak Str., 1407 Sofia, Bulgaria
  3. Institute of Solid State Physics, 72 Tzarigradsko Chaussee, 1784 Sofia, Bulgaria
  4. Forschungszentrum Dresden-Rossendorf e.V., P.O.Box 510119, D-01314 Dresden, Germany

Abstract

Infra-red (IR) and Raman spectroscopy studies were used to characterize different polymer materials implanted with low energy Si + ions (E = 30 keV, D = 1.10 17 cm -2). Two kinds of polymer were studied – poly-methyl-methacrylate (PMMA), and poly-propylene (PP). Silicon ion implantation resulted in the breaking down of bonds in the substrate structures, and the emergence of newly formed bonds. The IR and Raman studies thus show that the implantation of Si + into PMMA and PP leads to the formation of amorphous and nano-crystalline graphite, predominantly in the PP samples. The presence of SiC particles and unreacted Si atoms is also observed in the implanted polymer material..

Keywords

Polymers, Ion implantation, Vibrational spectroscopy.

Submitted at: Nov. 5, 2008
Accepted at: Oct. 3, 2009

Citation

M. BALEVA, G. ZLATEVA, T. TSVETKOVA, S. BALABANOV, L. BISCHOFF, Vibrational spectra of silicon implanted polymethyl- methacrylate (PMMA) and poly-propylene (PP)♣, Journal of Optoelectronics and Advanced Materials Vol. 11, Iss. 10, pp. 1420-1423 (2009)