Laser-Induced Periodic Surface Structures (LIPSS)

Kirner, Sabrina V.; Krüger, Jörg

doi:10.1007/978-3-319-69537-2_17-1

Cited by 27 publications

(23 citation statements)

References 179 publications

(209 reference statements)

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“…This list of ten open questions must be a subjective compilation of the authors and, thus, this article is formulated as a "Perspective." With this paper, we complement and extend our previous review articles [5][6][7][8][9][10][11] and hope to contribute to the identification of relevant open and partly controversially discussed questions in the field of LIPSS, while simultaneously stimulating further research activities in our community that are helping to resolve barriers, which currently prevent the LIPSS technology from widely entering into industrial applications.…”

Section: Introductionmentioning

confidence: 78%

“…Many types of LIPSS show a characteristic scaling of their spatial period Λ with the irradiation wavelength λ. Most prominently, both types of LSFL (type I and II [9,10]) scale linearly with λ for wavelengths ranging from the vacuum ultraviolet to the far infrared spectral region [7,10]. In contrast, the HSFL exhibit a weak dependence on the irradiation wavelength only.…”

Section: Question 2 What Is the Minimum Structural Size Of Lipss?mentioning

confidence: 99%

“…They are a universal phenomenon occurring during the processing of solids by intense laser radiation [2]. While initially seen as an unexpected effect during the early developments of lasers [3], and later rather as a side-effect reducing the precision of materials processing [4], the LIPSS phenomenon is currently considered a simple nanostructuring approach that-if properly controlled-may enable a plethora of promising technical, biological, or medical applications via tailored surface functionalization [5][6][7]. The LIPSS technology currently stays at the threshold of entering industrial applications.…”

Section: Introductionmentioning

confidence: 99%

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Ten Open Questions about Laser-Induced Periodic Surface Structures

Bonse

Gräf

2021

Nanomaterials

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Laser-induced periodic surface structures (LIPSS) are a simple and robust route for the nanostructuring of solids that can create various surface functionalities featuring applications in optics, medicine, tribology, energy technologies, etc. While the current laser technologies already allow surface processing rates at the level of m2/min, industrial applications of LIPSS are sometimes hampered by the complex interplay between the nanoscale surface topography and the specific surface chemistry, as well as by limitations in controlling the processing of LIPSS and in the long-term stability of the created surface functions. This Perspective article aims to identify some open questions about LIPSS, discusses the pending technological limitations, and sketches the current state of theoretical modelling. Hereby, we intend to stimulate further research and developments in the field of LIPSS for overcoming these limitations and for supporting the transfer of the LIPSS technology into industry.

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Section: Introductionmentioning

confidence: 78%

Section: Question 2 What Is the Minimum Structural Size Of Lipss?mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ten Open Questions about Laser-Induced Periodic Surface Structures

Bonse

Gräf

2021

Nanomaterials

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“…Under this definition, several morphologies are collected and characterized by different sizes, shapes, symmetries, etc. (ripples, grooves, spikes and their combinations [62][63][64]). All such characteristics arise from complex dynamics [65] originating from the ultra-short laser-matter interaction: the influence of laser parameters (e.g., wavelength, pulse duration, power, the number of pulses, the angle of incidence, etc.)…”

Section: Resultsmentioning

confidence: 99%

Single-Step Process for Titanium Surface Micro- and Nano-Structuring and In Situ Silver Nanoparticles Formation by Ultra-Short Laser Patterning

et al. 2022

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Ultra-short laser (USL)-induced surface structuring combined with nanoparticles synthesis by multiphoton photoreduction represents a novel single-step approach for commercially pure titanium (cp-Ti) surface enhancement. Such a combination leads to the formation of distinct topographical features covered by nanoparticles. The USL processing of cp-Ti in an aqueous solution of silver nitrate (AgNO3) induces the formation of micron-sized spikes surmounted by silver nanoparticles (AgNPs). The proposed approach combines the structuring and oxidation of the Ti surface and the synthesis of AgNPs in a one-step process, without the use of additional chemicals or a complex apparatus. Such a process is easy to implement, versatile and sustainable compared to alternative methodologies capable of obtaining comparable results. Antimicrobial surfaces on medical devices (e.g., surgical tools or implants), for which titanium is widely used, can be realized due to the simultaneous presence of AgNPs and micro/nano-structured surface topography. The processed surfaces were examined by means of a scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDX), atomic force microscopy (AFM) and Raman spectroscopy. The surface morphology and the oxidation, quality and quantity of AgNPs were analyzed in relation to process parameters (laser scanning speed and AgNO3 concentration), as well as the effect of AgNPs on the Raman signal of Titanium oxide.

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“…[15,16] Some surfaces in nature, such as the rose petal, will display hydrophobic behavior similar to the Cassie-Baxter state but have high contact angle hysteresis values like the Wenzel state. [17,18] These surfaces are known as parahydrophobic. These surfaces result from a composite wetting state in which the nanostructures on such surfaces prevent water from impregnating into the features (Cassie-Baxter state).…”

Section: Introductionmentioning

confidence: 99%

Dynamic wetting characteristics of submicron‐structured injection molded parts

Krantz

Caiado

Piccolo

et al. 2022

Polymer Engineering & Sci

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The generation of submicron structures on plastic part surfaces can be used to modify their wetting properties allowing the creation of superhydrophobic surfaces. The modified wetting behavior can allow functionalities such as fluid collection or transport, which are critical for microfluidics. Consistent manufacturing is achieved through surface replication and process characterization. In this work, submicron structures were generated on steel mold inserts using ultrafast femtosecond laser and then replicated by micro injection molding on polypropylene and polylactic acid. Samples with Laser-Induced Periodic Surface Structures (LIPSS) were fabricated using a femtosecond laser and characterized to investigate the effects of mold temperature, texture orientation, and material selection on the dynamic contact angle. The dynamic wetting functionality of the surfaces was investigated by analysis of the advancing and receding contact angles. The hysteresis obtained from the dynamic measurements provides information about the fluid/texture interaction dynamics. The experimental results show that the effects of mold temperature and drop orientation are only significant for the advancing contact angles. The large contact angle hysteresis suggests a parahydrophobic wetting behavior for the manufactured plastic parts.

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Laser-Induced Periodic Surface Structures (LIPSS)

Cited by 27 publications

References 179 publications

Ten Open Questions about Laser-Induced Periodic Surface Structures

Ten Open Questions about Laser-Induced Periodic Surface Structures

Single-Step Process for Titanium Surface Micro- and Nano-Structuring and In Situ Silver Nanoparticles Formation by Ultra-Short Laser Patterning

Dynamic wetting characteristics of submicron‐structured injection molded parts

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