dc.contributor.author | Rebollar, Esther | |
dc.contributor.author | Vázquez de Aldana, Javier R. | |
dc.contributor.author | Martín Sánchez, José Ignacio | |
dc.contributor.author | Hernández, Margarita | |
dc.contributor.author | Rueda, Daniel | |
dc.contributor.author | Ezquerra, Tiberio A. | |
dc.contributor.author | Domingo, Concepción | |
dc.contributor.author | Moreno Pedraz, Pablo Manuel | |
dc.contributor.author | Castillejo, Marta | |
dc.date.accessioned | 2014-06-26T07:39:02Z | |
dc.date.available | 2014-06-26T07:39:02Z | |
dc.date.issued | 2013-05-09 | |
dc.identifier.citation | Phys. Chem. Chem. Phys. 15, 11287-11296 | es_ES |
dc.identifier.issn | 1463-9076 | |
dc.identifier.uri | http://hdl.handle.net/10366/123362 | |
dc.description.abstract | In this work we present the formation of laser induced periodic surface structures (LIPSS) on spin-coated
thin films of several model aromatic polymers including poly(ethylene terephthalate), poly(trimethylene
terephthalate) and poly carbonate bis-phenol A upon irradiation with femtosecond pulses of 795 and
265 nm at fluences well below the ablation threshold. LIPSS are formed with period lengths similar to the
laser wavelength and parallel to the direction of the laser polarization vector. Formation of LIPSS upon IR
irradiation at 795 nm, a wavelength at which the polymers absorb weakly, contrasts with the absence of
LIPSS in this spectral range upon irradiation with nanosecond pulses. Real and reciprocal space
characterization of LIPSS obtained by Atomic Force Microscopy (AFM) and Grazing Incidence Small Angle
X-ray Scattering (GISAXS), respectively, yields well correlated morphological information. Comparison of
experimental and simulated GISAXS patterns suggests that LIPSS can be suitably described considering a
quasi-one-dimensional paracrystalline lattice and that irradiation parameters have an influence on the
order of such a lattice. Fluorescence measurements, after laser irradiation, provide indirect information
about dynamics and structure of the polymer at the molecular level. Our results indicate that the LIPSS are
formed by interference of the incident and surface scattered waves. As a result of this process, heating of
the polymer surface above its glass transition temperature takes place enabling LIPSS formation. | es_ES |
dc.format.mimetype | application/pdf | |
dc.language.iso | eng | es_ES |
dc.publisher | Royal Society of Chemistry | es_ES |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Unported | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/3.0/ | |
dc.subject | Polymer | es_ES |
dc.subject | Femtosecond lasers | es_ES |
dc.subject | Surface structuring | es_ES |
dc.subject | Nanostructuring | es_ES |
dc.subject | Thin films | es_ES |
dc.title | Assessment of femtosecond laser induced periodic surface structures on polymer films | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.subject.unesco | 2209.10 Láseres | es_ES |
dc.subject.unesco | 2209.13 Óptica no lineal | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | |