Laser-Induced Periodic Surface Structures (LIPSS)

Kirner, Sabrina V.; Krüger, Jörg

doi:10.1007/978-3-030-63647-0_17

Cited by 19 publications

(28 citation statements)

References 178 publications

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“…Therefore, the theory presented above, where a single, thin fiber is assumed is still valid in this case. The modulation depth that typically can be achieved for LIPSS (LSFL type [ 33 ]) on metals is up to 400 nm. Thus, an antiadhesive effect can be assumed.…”

Section: Resultsmentioning

confidence: 99%

Laser-processed antiadhesive bionic combs for handling nanofibers inspired by nanostructures on the legs of cribellate spiders

Lifka¹,

Harsányi²,

Baumgartner³

et al. 2022

Beilstein J. Nanotechnol.

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Nanofibers are drawing the attention of engineers and scientists because their large surface-to-volume ratio is favorable for applications in medicine, filter technology, textile industry, lithium-air batteries, and optical sensors. However, when transferring nanofibers to a technical product in the form of a random network of fibers, referred to as nonwoven fabric, the stickiness of the freshly produced and thus fragile nanofiber nonwoven remains a problem. This is mainly because nanofibers strongly adhere to any surface because of van der Waals forces. In nature, there are animals that are actually able to efficiently produce, process, and handle nanofibers, namely cribellate spiders. For that, the spiders use the calamistrum, a comb-like structure of modified setae on the metatarsus of the hindmost (fourth) legs, to which the 10–30 nm thick silk nanofibers do not stick due to a special fingerprint-like surface nanostructure. In this work, we present a theoretical model of the interaction of linear nanofibers with a sinusoidally corrugated surface. This model allows for a prediction of the adhesive interaction and, thus, the design of a suitable surface structure to prevent sticking of an artificially nonwoven of nanofibers. According to the theoretical prediction, a technical analogon of the nanoripples was produced by ultrashort pulse laser processing on different technically relevant metal surfaces in the form of so-called laser-induced periodic surface structures (LIPSS). Subsequently, by means of a newly established peel-off test, the adhesion of an electrospun polyamide fiber-based nonwoven was quantified on such LIPSS-covered aluminium alloy, steel, and titanium alloy samples, as well as on polished (flat) control samples as reference and, additionally, on samples with randomly rough surfaces. The latter revealed that the adhesion of electrospun nanofiber nonwoven is significantly lowered on the nanostructured surfaces compared with the polished surfaces.

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Section: Resultsmentioning

confidence: 99%

Laser-processed antiadhesive bionic combs for handling nanofibers inspired by nanostructures on the legs of cribellate spiders

Lifka¹,

Harsányi²,

Baumgartner³

et al. 2022

Beilstein J. Nanotechnol.

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“…Depending on the laser processing strategy ("spot processing" vs. "scanning processing" of lines or larger areas) and the specific laser irradiation parameters (fluence, number of pulses, spatial beam profile, etc. ), structures of a single type of LIPSS, spatially separated regions of distinct LIPSS, or even multiple mixed types of LIPSS or hierarchical surface structures may be simultaneously observed [10].…”

Section: Zoology Of Lipssmentioning

confidence: 99%

“…In that case, the stages of energy deposition to the solid driving the material into a strongly excited state and the stage of subsequent matter reorganization are temporally well separated. For detailed review articles on the origin of LIPSS, the reader is referred to [3,[5][6][7][8][9][10][11] and to Chap. 1 (Derrien et al), Chap.…”

Section: Introduction: Laser-induced Periodic Surface Structures-lipssmentioning

confidence: 99%

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Creation of Material Functions by Nanostructuring

Mezera

Florian²,

Römer³

et al. 2023

Springer Series in Optical Sciences

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Surface nanostructures provide the possibility to create and tailor surface functionalities mainly via controlling their topography along with other chemical and physical material properties. One of the most appealing technologies for surface functionalization via micro-and nanostructuring is based on laser processing. This can be done either via direct contour-shaping of the irradiated material using a tightly focused laser beam or in a self-ordered way that allows employing larger laser beam diameters along with areal scanning to create a variety of laser-induced periodic surface structures (LIPSS). For the latter approach, particularly ultrashort pulsed lasers have recently pushed the borders across long-lasting limitations regarding the minimum achievable feature sizes and additionally boosted up the production times. This chapter reviews the plethora of recently investigated applications of LIPSS-for example, via imposing diffractive or plasmonic structural colors, the management of liquids and surface wetting properties, biomedical and bioinspired functionalities, beneficial effects in tribology for reducing friction and wear, the manipulation of optical scattering and absorption in photovoltaics, or the modification of magnetic or superconducting surface properties in other energy applications. The footprint of the LIPSS-based technology is explored in detail regarding the current state of industrialization, including an analysis of the market and associated LIPSS production costs.M. Mezera • J. Krüger • J. Bonse ( ) Bundesanstalt für Materialforschung und -prüfung (BAM),

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“…Unlike the laser-induced periodic surface structures often referred to as ripples shown to be a universal phenomenon a long time ago [8,9], nanogratings as a bulk modification emerging in the inside of materials were discovered and widely investigated over a decade only in pure and doped fused silica [1,2,5,10]. Later, nanogratings were obtained in vitreous GeO 2 [11,12] and in a number of binary and multicomponent glasses [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28], including multicomponent borosilicate Borofloat 33 and BK7 (Corning) [13][14][15], alkali-free/depleted aluminoborosilicate AF32 (Schott) [14], 7059, Eagle XG (Corning), and soda lime [15] glasses, binary titanium silicate ULE (Corning) [13], Na 2 O-SiO 2 [16,17], GeO 2 -SiO 2 [18,19], Al 2 O 3 -SiO 2 [20], Na 2 O-GeO 2 [21,22] and ternary Na 2 O 3 -B 2 O 3 -SiO 2 [23] glasses.…”

Section: Introductionmentioning

confidence: 99%

Effect of Pulse Repetition Rate on Ultrafast Laser-Induced Modification of Sodium Germanate Glass

et al. 2023

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We report an unexpected pulse repetition rate effect on ultrafast-laser modification of sodium germanate glass with the composition 22Na2O 78GeO2. While at a lower pulse repetition rate (~≤250 kHz), the inscription of nanogratings possessing form birefringence is observed under series of 105–106 pulses, a higher pulse repetition rate launches peripheral microcrystallization with precipitation of the Na2Ge4O9 phase around the laser-exposed area due to the thermal effect of femtosecond pulses via cumulative heating. Depending on the pulse energy, the repetition rate ranges corresponding to nanograting formation and microcrystallization can overlap or be separated from each other. Regardless of crystallization, the unusual growth of optical retardance in the nanogratings with the pulse repetition rate starting from a certain threshold has been revealed instead of a gradual decrease in retardance with the pulse repetition rate earlier reported for some other glasses. The repetition rate threshold of the retardance growth is shown to be inversely related to the pulse energy and to vary from ~70 to 200 kHz in the studied energy range. This effect can be presumably assigned to the chemical composition shift due to the thermal diffusion of sodium cations occurring at higher pulse repetition rates when the thermal effect of the ultrashort laser pulses becomes noticeable.

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Laser-Induced Periodic Surface Structures (LIPSS)

Cited by 19 publications

References 178 publications

Laser-processed antiadhesive bionic combs for handling nanofibers inspired by nanostructures on the legs of cribellate spiders

Laser-processed antiadhesive bionic combs for handling nanofibers inspired by nanostructures on the legs of cribellate spiders

Creation of Material Functions by Nanostructuring

Effect of Pulse Repetition Rate on Ultrafast Laser-Induced Modification of Sodium Germanate Glass

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