Laser‐induced surface structures on gold‐coated polymers: Influence of morphology on surface‐enhanced <scp>R</scp>aman scattering enhancement

Rebollar, Esther; Hernández, Margarita; Sanz, Mikel; Pérez, S.; Ezquerra, Tiberio A.; Castillejo, Marta

doi:10.1002/app.42770

Cited by 17 publications

(10 citation statements)

References 52 publications

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“…Polymer LIPSS can be used as Surface Enhanced Raman Scattering (SERS) sensors [78,79]. To that purpose LIPSS nanostructured polymer films were coated with a gold layer by pulsed laser deposition (PLD).…”

Section: Polymer Lipss For Surface Enhanced Raman Spectroscopy (Sers)mentioning

confidence: 99%

Laser induced periodic surface structures on polymer films: From fundamentals to applications

Rebollar

Castillejo

Ezquerra

2015

European Polymer Journal

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136

130

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The generation of nanostructured polymer films has been a challenge during the last decades. Surface nanostructuring based on the imprinting of nanoscale patterns on a homogeneous surface or on the deposition of nanostructures on the surface serves advantageously for nanofabrication of functional polymer materials. Advanced nanolithography typically requires multiple-steps procedures involving clean-room facilities, high vacuum or complex mask fabrication. Alternatively, laser-based methods enable high spatial resolution patterning of soft polymeric matter and afford the sought versatility and reliability without the need of stringent ambient conditions. In particular, the technique of laser induced periodic surface structures (LIPSS) has been successfully applied to nanostructuring of polymer films using a polarized laser source at several laser wavelengths and pulse durations. In this paper the formation of LIPSS on polymer films will be described. In particular, the possibilities of tuning the period and shape of the structures will be discussed since the control of the characteristics of the superficial structures can be crucial in order to match the requirements of a particular application.Additionally, an overview about the main and potential applications of LIPSS in polymer films is provided. In particular, the use of rippled polymer films as substrates for cell culture/alignment, surface enhanced Raman scattering sensors, or applications in photovoltaics will be reviewed.

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Section: Polymer Lipss For Surface Enhanced Raman Spectroscopy (Sers)mentioning

confidence: 99%

Laser induced periodic surface structures on polymer films: From fundamentals to applications

Rebollar

Castillejo

Ezquerra

2015

European Polymer Journal

Self Cite

136

130

View full text Add to dashboard Cite

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“…According to Equation (3), R value depends on both the refractive index ( n ) and the extinction coefficient ( κ ). Thus, the laser radiation intensity within material at a depth (z) can be rewritten by taking Equation (3) into Equation (2) which leads to following relationship [ 224 , 225 ] as shown in Equation (4):

…”

Section: Influence Of Laser Irradiation On Polymermentioning

confidence: 99%

3D-MID Technology for Surface Modification of Polymer-Based Composites: A Comprehensive Review

et al. 2020

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The three-dimensional molded interconnected device (3D-MID) has received considerable attention because of the growing demand for greater functionality and miniaturization of electronic parts. Polymer based composite are the primary choice to be used as substrate. These materials enable flexibility in production from macro to micro-MID products, high fracture toughness when subjected to mechanical loading, and they are lightweight. This survey proposes a detailed review of different types of 3D-MID modules, also presents the requirement criteria for manufacture a polymer substrate and the main surface modification techniques used to enhance the polymer substrate. The findings presented here allow to fundamentally understand the concept of 3D-MID, which can be used to manufacture a novel polymer composite substrate.

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“…The dimensions of the structures, as well as their morphology, depend on the laser-beam texturing parameters. The periods of the generated structures are strongly correlated to the wavelength of the laser source [ 31 ], and the linear polarization allows us to form regular ripple structures parallel to the polarization [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

Polystyrene Thin Films Nanostructuring by UV Femtosecond Laser Beam: From One Spot to Large Surface

et al. 2021

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In this work, direct irradiation by a Ti:Sapphire (100 fs) femtosecond laser beam at third harmonic (266 nm), with a moderate repetition rate (50 and 1000 Hz), was used to create regular periodic nanostructures upon polystyrene (PS) thin films. Typical Low Spatial Frequency LIPSSs (LSFLs) were obtained for 50 Hz, as well as for 1 kHz, in cases of one spot zone, and also using a line scanning irradiation. Laser beam fluence, repetition rate, number of pulses (or irradiation time), and scan velocity were optimized to lead to the formation of various periodic nanostructures. It was found that the surface morphology of PS strongly depends on the accumulation of a high number of pulses (103 to 107 pulses) at low energy (1 to 20 µJ/pulse). Additionally, heating the substrate from room temperature up to 97 °C during the laser irradiation modified the ripples’ morphology, particularly their amplitude enhancement from 12 nm (RT) to 20 nm. Scanning electron microscopy and atomic force microscopy were used to image the morphological features of the surface structures. Laser-beam scanning at a chosen speed allowed for the generation of well-resolved ripples on the polymer film and homogeneity over a large area.

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Laser‐induced surface structures on gold‐coated polymers: Influence of morphology on surface‐enhanced Raman scattering enhancement

Cited by 17 publications

References 52 publications

Laser induced periodic surface structures on polymer films: From fundamentals to applications

Laser induced periodic surface structures on polymer films: From fundamentals to applications

3D-MID Technology for Surface Modification of Polymer-Based Composites: A Comprehensive Review

Polystyrene Thin Films Nanostructuring by UV Femtosecond Laser Beam: From One Spot to Large Surface

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