Surface Properties of Polyethylene Terephthalate Films Modified by Far UV Radiation at 193 nm

Brezin, A.

doi:10.1002/pssa.2211350225

Phys. Stat. Sol. (a)

1993

DOI: 10.1002/pssa.2211350225

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Surface Properties of Polyethylene Terephthalate Films Modified by Far UV Radiation at 193 nm

A. Brezin

Abstract: The surface of polyethylene terephthalate (PET) obtained with 193 nm pulsed radiation of the ArF excimer laser in air is studied at different fluences for amorphous and semicrystalline samples by scanning electron microscopy (SEM) and by etch‐depth measurements. Mainly the surface structure created on PET appears to result from a difference in the etch rate between amorphous and semicrystalline PET.

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2010

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Nanofibrillar Patterns by Plasma Etching: The Influence of Polymer Crystallinity and Orientation in Surface Morphology

Wohlfart¹,

Fernandéz‐Blázquez

Knoche³

et al. 2010

Macromolecules

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This manuscript explores the possibility of exploiting polymer morphology (thermal or flow-induced) as materials inherent template, and domain-selective plasma etching as pattern developer, to obtain nanopatterned surfaces with different and controlled geometries, with a particular focus on nanofibrillar patterns. Oxidative plasma treatment of PET films has rendered patterned surfaces with different geometries depending on the crystallinity and orientation of the PET sample and plasma treatment time (or etching ratio). Homogeneous patterns with either randomly distributed or aligned nanofibrils with diameters between 20 and 40 nm and lengths up to 1 μm (after extensive etching) were observed depending on the sample pretreatment. Our results demonstrate the potential of oxidative plasmas as templateless nanopatterning technique and reveal a complex interplay between plasma etching parameters and polymer microstructure driving the pattern formation mechanism. These results open the possibility of fabricating gecko-inspired surfaces in a cost-effective manner.

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Nanofibrillar Patterns by Plasma Etching: The Influence of Polymer Crystallinity and Orientation in Surface Morphology

Wohlfart¹,

Fernandéz‐Blázquez

Knoche³

et al. 2010

Macromolecules

View full text Add to dashboard Cite

show abstract

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Surface Properties of Polyethylene Terephthalate Films Modified by Far UV Radiation at 193 nm

Cited by 1 publication

References 17 publications

Nanofibrillar Patterns by Plasma Etching: The Influence of Polymer Crystallinity and Orientation in Surface Morphology

Nanofibrillar Patterns by Plasma Etching: The Influence of Polymer Crystallinity and Orientation in Surface Morphology

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