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Study of polycarbonate degradation induced by irradiation with He+ ions

Published online by Cambridge University Press:  03 March 2011

Václav Švorčik ,
Vladimír Rybka ,
Ivo Miček ,
Vladimír Hnatowicz  and
Jiří Kvítek
Václav Švorčik
Affiliation:
Department of Solid State Engineering. Institute of Chemical Technology, 166 28 Prague, Czech Republic
Vladimír Rybka
Affiliation:
Department of Solid State Engineering. Institute of Chemical Technology, 166 28 Prague, Czech Republic
Ivo Miček
Affiliation:
Department of Solid State Engineering. Institute of Chemical Technology, 166 28 Prague, Czech Republic
Vladimír Hnatowicz
Affiliation:
Institute of Nuclear Research, Czech Academy of Sciences, 250 68 Řez, Czech Republic
Jiří Kvítek
Affiliation:
Institute of Nuclear Research, Czech Academy of Sciences, 250 68 Řez, Czech Republic
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Abstract

A stack of five polycarbonate foils, each 1.4 μm thick, was irradiated with 1.3 MeV 4He+ ions to the dose of 1.1 × 1014 cm−2. Ion beam induced polymer degradation, as a function of the particle energy, was studied by UV-VIS and IR spectroscopy of individual foils. In the irradiated foils, a significant reduction of characteristic absorption bands is observed, indicating polymer degradation. Significant increase of the surface polarity, characterized by a polar component of the surface free energy, is also found. Both the degree of the polymer degradation and the surface polarity correlate with the total energy deposited by 4He+ ions in the foils.

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Articles
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Journal of Materials Research , Volume 10 , Issue 2 , February 1995 , pp. 468 - 472
Copyright
Copyright © Materials Research Society 1995

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References

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