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Laser engineering of biomimetic surfaces
Materials Science and Engineering: R: Reports ( IF 31.0 ) Pub Date : 2020-06-20 , DOI: 10.1016/j.mser.2020.100562
E. Stratakis , J. Bonse , J. Heitz , J. Siegel , G.D. Tsibidis , E. Skoulas , A. Papadopoulos , A. Mimidis , A.-C. Joel , P. Comanns , J. Krüger , C. Florian , Y. Fuentes-Edfuf , J. Solis , W. Baumgartner

The exciting properties of micro- and nano-patterned surfaces found in natural species hide a virtually endless potential of technological ideas, opening new opportunities for innovation and exploitation in materials science and engineering. Due to the diversity of biomimetic surface functionalities, inspirations from natural surfaces are interesting for a broad range of applications in engineering, including phenomena of adhesion, friction, wear, lubrication, wetting phenomena, self-cleaning, antifouling, antibacterial phenomena, thermoregulation and optics. Lasers are increasingly proving to be promising tools for the precise and controlled structuring of materials at micro- and nano-scales. When ultrashort-pulsed lasers are used, the optimal interplay between laser and material parameters enables structuring down to the nanometer scale. Besides this, a unique aspect of laser processing technology is the possibility for material modifications at multiple (hierarchical) length scales, leading to the complex biomimetic micro- and nano-scale patterns, while adding a new dimension to structure optimization. This article reviews the current state of the art of laser processing methodologies, which are being used for the fabrication of bioinspired artificial surfaces to realize extraordinary wetting, optical, mechanical, and biological-active properties for numerous applications. The innovative aspect of laser functionalized biomimetic surfaces for a wide variety of current and future applications is particularly demonstrated and discussed. The article concludes with illustrating the wealth of arising possibilities and the number of new laser micro/nano fabrication approaches for obtaining complex high-resolution features, which prescribe a future where control of structures and subsequent functionalities are beyond our current imagination.



中文翻译:

仿生表面的激光工程

在自然物种中发现的具有微米和纳米图案的表面具有令人兴奋的特性,几乎隐藏了无穷无尽的技术思想潜力,为材料科学和工程学的创新和开发提供了新的机会。由于仿生表面功能的多样性,天然表面的灵感对于工程中的广泛应用很有趣,包括粘着,摩擦,磨损,润滑,润湿现象,自清洁,防污,抗菌现象,温度调节和光学特性。 。越来越多的激光被证明是用于微米级和纳米级材料的精确和受控结构化的有前途的工具。当使用超短脉冲激光器时,激光器和材料参数之间的最佳相互作用可以使结构减小到纳米级。除此之外,激光加工技术的一个独特方面是可以在多个(分层)长度尺度上进行材料修改,从而导致复杂的仿生微米和纳米尺度图案,同时又为结构优化增加了新的维度。本文回顾了激光加工方法的最新技术,这些方法已用于制造生物启发的人造表面,以实现非凡的润湿,光学,机械和生物活性特性,可用于多种应用。特别演示和讨论了用于各种当前和未来应用的激光功能仿生表面的创新方面。

更新日期:2020-06-22
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