Formation of amorphous carbon on the surface of poly(ethylene terephthalate) by helium plasma based ion implantation

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Abstract

The surface modification of poly(ethylene terephthalate) (PET) by helium plasma based ion implantation (He PBII) was studied. The effect of the main process parameters (acceleration voltage, fluence and fluence rate) on the alterations of the surface chemical composition and structure were investigated by X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. According to SRIM calculations, at ion energies above 2 keV the stopping power of PET for He+ ions is dominated by the electronic component and the contribution of the nuclear component is relatively small. Degradation of the ester group and carbonisation were observed by XPS due to elimination of O-rich fragments. The total C-content of the modified layer increased with the increase of fluence rate and acceleration voltage of particles, enabling the purposeful alteration of the surface composition. A strong broadening was detected in the Raman spectrum between 1000 and 1700 cm-1, testifying to the intense formation of amorphous carbon. The area ratio of the D (∼1410 cm -1) to G (∼1570 cm-1) band increased with the increase of particle fluence and the increase of acceleration voltage, offering the possibility of tailoring the chemical structure of the amorphous carbon layer created by the He PBII treatment.

Original languageEnglish
Pages (from-to)1855-1858
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume269
Issue number16
DOIs
Publication statusPublished - Aug 15 2011

Fingerprint

helium plasma
Amorphous carbon
polyethylene terephthalate
Ion implantation
Polyethylene terephthalates
Helium
ion implantation
fluence
Plasmas
carbon
Electric potential
X ray photoelectron spectroscopy
electric potential
Carbonization
Ions
photoelectron spectroscopy
Surface structure
Surface treatment
Raman spectroscopy
carbonization

Keywords

  • Amorphous carbon
  • Plasma based ion implantation
  • Poly(ethylene terephthalate)
  • Raman spectroscopy
  • XPS

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

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title = "Formation of amorphous carbon on the surface of poly(ethylene terephthalate) by helium plasma based ion implantation",
abstract = "The surface modification of poly(ethylene terephthalate) (PET) by helium plasma based ion implantation (He PBII) was studied. The effect of the main process parameters (acceleration voltage, fluence and fluence rate) on the alterations of the surface chemical composition and structure were investigated by X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. According to SRIM calculations, at ion energies above 2 keV the stopping power of PET for He+ ions is dominated by the electronic component and the contribution of the nuclear component is relatively small. Degradation of the ester group and carbonisation were observed by XPS due to elimination of O-rich fragments. The total C-content of the modified layer increased with the increase of fluence rate and acceleration voltage of particles, enabling the purposeful alteration of the surface composition. A strong broadening was detected in the Raman spectrum between 1000 and 1700 cm-1, testifying to the intense formation of amorphous carbon. The area ratio of the D (∼1410 cm -1) to G (∼1570 cm-1) band increased with the increase of particle fluence and the increase of acceleration voltage, offering the possibility of tailoring the chemical structure of the amorphous carbon layer created by the He PBII treatment.",
keywords = "Amorphous carbon, Plasma based ion implantation, Poly(ethylene terephthalate), Raman spectroscopy, XPS",
author = "A. T{\'o}th and M. Veres and K. Kereszturi and M. Mohai and I. Bert{\'o}ti and J. Sz{\'e}pv{\"o}lgyi",
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AU - Tóth, A.

AU - Veres, M.

AU - Kereszturi, K.

AU - Mohai, M.

AU - Bertóti, I.

AU - Szépvölgyi, J.

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N2 - The surface modification of poly(ethylene terephthalate) (PET) by helium plasma based ion implantation (He PBII) was studied. The effect of the main process parameters (acceleration voltage, fluence and fluence rate) on the alterations of the surface chemical composition and structure were investigated by X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. According to SRIM calculations, at ion energies above 2 keV the stopping power of PET for He+ ions is dominated by the electronic component and the contribution of the nuclear component is relatively small. Degradation of the ester group and carbonisation were observed by XPS due to elimination of O-rich fragments. The total C-content of the modified layer increased with the increase of fluence rate and acceleration voltage of particles, enabling the purposeful alteration of the surface composition. A strong broadening was detected in the Raman spectrum between 1000 and 1700 cm-1, testifying to the intense formation of amorphous carbon. The area ratio of the D (∼1410 cm -1) to G (∼1570 cm-1) band increased with the increase of particle fluence and the increase of acceleration voltage, offering the possibility of tailoring the chemical structure of the amorphous carbon layer created by the He PBII treatment.

AB - The surface modification of poly(ethylene terephthalate) (PET) by helium plasma based ion implantation (He PBII) was studied. The effect of the main process parameters (acceleration voltage, fluence and fluence rate) on the alterations of the surface chemical composition and structure were investigated by X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. According to SRIM calculations, at ion energies above 2 keV the stopping power of PET for He+ ions is dominated by the electronic component and the contribution of the nuclear component is relatively small. Degradation of the ester group and carbonisation were observed by XPS due to elimination of O-rich fragments. The total C-content of the modified layer increased with the increase of fluence rate and acceleration voltage of particles, enabling the purposeful alteration of the surface composition. A strong broadening was detected in the Raman spectrum between 1000 and 1700 cm-1, testifying to the intense formation of amorphous carbon. The area ratio of the D (∼1410 cm -1) to G (∼1570 cm-1) band increased with the increase of particle fluence and the increase of acceleration voltage, offering the possibility of tailoring the chemical structure of the amorphous carbon layer created by the He PBII treatment.

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