Abstract
Modification of surface topography of organic polymers accompanied by some chemical changes is very important in a wide spectrum of biotechnologies. Various surface structures in microand nanoscale were applied to study correlation between surface topography and cell adhesion [1–3]. Chemical modifications of polymers can be achieved using various chemical and biological methods, however, the most promising are physical methods such as ion implantation or UV irradiation in reactive atmosphere [4, 5]. It seems that either physical or chemical surface modification can be also obtained using extreme UV (EUV) radiation. It could have some advantages connected with very short absorption length of EUV photons in any material. Such investigations were undertaken by authors of this paper using a laser-plasma EUV source based on a laser-irradiated gas puff target. Scanning electron microscopy (SEM) images of created nanostructures are presented.
Published Version
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