Immobilization of silver nanoparticles on polyethylene terephthalate

被引：0
作者：
Alena Reznickova
Zdenka Novotna
Zdenka Kolska
Vaclav Svorcik
机构：
[1] Institute of Chemical Technology Prague,Department of Solid State Engineering
[2] J.E. Purkyne University,Faculty of Science
来源：
Nanoscale Research Letters | / 9卷
关键词：
Polymer; Plasma activation; Surface properties; Silver nanoparticle grafting; Atomic force microscopy (AFM); Transmission electron microscopy (TEM);
D O I：
暂无
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学科分类号：
摘要：
Two different procedures of grafting with silver nanoparticles (AgNP) of polyethylene terephthalate (PET), activated by plasma treatment, are studied. In the first procedure, the PET foil was grafted with biphenyl-4,4′-dithiol and subsequently with silver nanoparticles. In the second one, the PET foil was grafted with silver nanoparticles previously coated with the same dithiol. X-ray photoelectron spectroscopy and electrokinetic analysis were used for characterization of the polymer surface at different modification steps. Silver nanoparticles were characterized by ultraviolet-visible spectroscopy and by transmission electron microscopy (TEM). The first procedure was found to be more effective. It was proved that the dithiol was chemically bonded to the surface of the plasma-activated PET and that it mediates subsequent grafting of the silver nanoparticles. AgNP previously coated by dithiol bonded to the PET surface much less.
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