Structural and magnetic characterization of copper sulfonated phthalocyanine grafted onto treated polyethylene

[Display omitted] •Polyethylene (PE) surface was activated by argon plasma discharge.•Monolayer of copper phthalocyanine was achieved.•ESR proved that CuPc coated PE surface exhibits magnetic properties.•The studied structures may have potential application in spintronics and data storage. This stud...

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Bibliographic Details
Published in:Applied surface science 2016-08, Vol.379, p.259-263
Main Authors: Reznickova, A., Kolska, Z., Orendac, M., Cizmar, E., Sajdl, P., Svorcik, V.
Format: Article
Language:English
Subjects:
Charge
COMPOSITES
Copper
Copper phthalocyanine grafting
Electron paramagnetic resonance
ETHYLENE
Grafting
MAGNETIC PROPERTIES
Plasma treatment
POLYETHYLENE
Polyethylenes
PROPERTIES
Spin
Surface characterization
Surface chemistry
X RAY SPECTROSCOPY
X-ray photoelectron spectroscopy
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Summary:[Display omitted] •Polyethylene (PE) surface was activated by argon plasma discharge.•Monolayer of copper phthalocyanine was achieved.•ESR proved that CuPc coated PE surface exhibits magnetic properties.•The studied structures may have potential application in spintronics and data storage. This study focuses on high density polyethylene (HDPE) activated by Ar plasma treatment, subsequently grafted with copper sulfonated phthalocyanine (CuPc) especially pointing out to the surface and magnetic properties of those composites. Properties of pristine PE and their plasma treated counterparts were studied by different experimental techniques: X-ray photoelectron spectroscopy (XPS), UV–vis spectroscopy, zeta potential and by electron spin resonance (ESR). XPS analysis confirmed the successful grafting of phthalocyanine. The highest absorption was found for the sample grafted with bCuPc for 1h. Electrokinetic analysis also confirmed the plasma treatment and also subsequent CuPc grafting influence significantly the surface chemistry and charge. These results correspond well with XPS determination. ESR studies confirmed the presence of CuPc grafted on HDPE. It was found, that grafting is mediated by magnetically inactive functional groups, rather than radicals. Magnetic properties of CuPc do not seem to change significantly after grafting CuPc on polyethylene surface.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2016.04.070