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Materials 2016, 9(6), 476; doi:10.3390/ma9060476

Bio-Inspired Functional Surfaces Based on Laser-Induced Periodic Surface Structures

Otto Schott Institute of Materials Research (OSIM), Löbdergraben 32, Jena 07743, Germany
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Academic Editor: Javier Narciso
Received: 28 April 2016 / Revised: 6 June 2016 / Accepted: 7 June 2016 / Published: 15 June 2016
(This article belongs to the Special Issue Bioinspired and Biomimetic Materials)

Abstract

Nature developed numerous solutions to solve various technical problems related to material surfaces by combining the physico-chemical properties of a material with periodically aligned micro/nanostructures in a sophisticated manner. The utilization of ultra-short pulsed lasers allows mimicking numerous of these features by generating laser-induced periodic surface structures (LIPSS). In this review paper, we describe the physical background of LIPSS generation as well as the physical principles of surface related phenomena like wettability, reflectivity, and friction. Then we introduce several biological examples including e.g., lotus leafs, springtails, dessert beetles, moth eyes, butterfly wings, weevils, sharks, pangolins, and snakes to illustrate how nature solves technical problems, and we give a comprehensive overview of recent achievements related to the utilization of LIPSS to generate superhydrophobic, anti-reflective, colored, and drag resistant surfaces. Finally, we conclude with some future developments and perspectives related to forthcoming applications of LIPSS-based surfaces. View Full-Text
Keywords: bio-inspired materials; functional surfaces; laser-induced periodic surface structures; ultra-short laser pulses; wettability; superhydrophobicity; optical properties; antireflective surfaces; structural colors; tribology bio-inspired materials; functional surfaces; laser-induced periodic surface structures; ultra-short laser pulses; wettability; superhydrophobicity; optical properties; antireflective surfaces; structural colors; tribology
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Müller, F.A.; Kunz, C.; Gräf, S. Bio-Inspired Functional Surfaces Based on Laser-Induced Periodic Surface Structures. Materials 2016, 9, 476.

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