Bioinspired micro/nanostructured surfaces prepared by femtosecond laser direct writing for multi-functional applications
Bioinspired micro/nanostructured surfaces prepared by femtosecond laser direct writing for multi-functional applications
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飞秒激光直写制备的仿生微/纳米结构表面用于多功能应用
DOI：
10.1088/2631-7990/ab95f6
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发表时间：
2020-05
影响因子：
14.7
通讯作者：
Chu Jiaru
中科院分区：
文献类型：
--
作者：
Zhang Yiyuan;Jiao Yunlong;Li Chuanzong;Chen Chao;Li Jiawen;Hu Yanlei;Wu Dong;Chu Jiaru
飞秒激光直写（FLDW）与离子刻蚀、溶胶-凝胶、化学气相沉积、模板法、自组装等方法相比，具有精度高、工艺简单、材料相容性好等优点，已被广泛应用于仿生微/纳米结构的可控制备。这些仿生微/纳米结构表面由于其广泛的潜在应用，包括自清洁表面、油水分离和雾收集，而引起学术和工业研究的极大兴趣。本文介绍了自然界生物体、微/纳米结构、制备方法之间的内在联系及其潜在的应用。此后，我们抛出一个列表，目前的制造策略，以突出FLDW在制造仿生微结构表面的优势。随后，我们总结了各种典型的生物启发设计（如荷叶，猪笼草，水稻叶，蝴蝶翅膀等）的各种多功能微/纳米结构，通过极端飞秒激光加工技术。基于界面化学和几何光学的原理，我们讨论了这些功能性微/纳米结构的潜在应用，并评估了FLDW极端制造生物启发微/纳米结构的潜在挑战和机遇。本文最后对飞秒激光在仿生领域的应用进行了展望。
Femtosecond laser direct writing (FLDW) has been widely employed in controllable manufacturing of biomimetic micro/nanostructures due to its specific advantages including high precision, simplicity, and compatibility for diverse materials in comparison with other methods (e.g. ion etching, sol-gel process, chemical vapor deposition, template method, and self-assembly). These biomimetic micro/nanostructured surfaces are of significant interest for academic and industrial research due to their wide range of potential applications, including self-cleaning surfaces, oil-water separation, and fog collection. This review presents the inherent relationship between natural organisms, fabrication methods, micro/nanostructures and their potential applications. Thereafter, we throw a list of current fabrication strategies so as to highlight the advantages of FLDW in manufacturing bioinspired microstructured surfaces. Subsequently, we summarize a variety of typical bioinspired designs (e.g. lotus leaf, pitcher plant, rice leaf, butterfly wings, etc) for diverse multifunctional micro/nanostructures through extreme femtosecond laser processing technology. Based on the principle of interfacial chemistry and geometrical optics, we discuss the potential applications of these functional micro/nanostructures and assess the underlying challenges and opportunities in the extreme fabrication of bioinspired micro/nanostructures by FLDW. This review concludes with a follow up and an outlook of femtosecond laser processing in biomimetic domains.
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