Springtail-inspired superomniphobic surface with extreme pressure resistance

Science Advances
Geun-Tae YunHee-Tae Jung

Abstract

Both high static repellency and pressure resistance are critical to achieving a high-performance omniphobic surface. The cuticles of springtails have both of these features, which result from their hierarchical structure composed of primary doubly reentrant nanostructures on secondary microgrooves. Despite intensive efforts, none of the previous studies that were inspired by the springtail were able to simultaneously achieve both high static repellency and pressure resistance because of a general trade-off between these characteristics. We demonstrate for the first time a springtail-inspired superomniphobic surface displaying both features by fabricating a hierarchical system consisting of serif-T-shaped nanostructures on microscale wrinkles, overcoming previous limitations. Our biomimetic strategy yielded a surface showing high repellency to diverse liquids, from water to ethanol, with a contact angle above 150°. Simultaneously, the surface was able to endure extreme pressure resulting from the impacts of drops of water and of ethylene glycol with We > 200, and of ethanol with We ~ 53, which is the highest pressure resistance ever reported. Overall, the omniphobicity of our springtail-inspired fabricated system was found to be...Continue Reading

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Citations

Jul 16, 2019·Small·Xiaojiang LiuZhongze Gu
Nov 9, 2019·Proceedings of the National Academy of Sciences of the United States of America·Wanbo LiKangning Ren
May 15, 2020·Scientific Reports·Ratul DasHimanshu Mishra
Sep 11, 2019·Science Advances·J R PanterH Kusumaatmaja
Sep 15, 2020·Science Advances·Songtao HuDaniele Dini
Dec 15, 2020·Environmental Science & Technology·Haiqing ChangRadisav D Vidic
Feb 9, 2021·Chemical Society Reviews·Wenluan ZhangXu Deng
Oct 27, 2020·Advanced Science·Xiaojiang LiuZhongze Gu
Dec 29, 2020·Biointerphases·Shelby R MaddoxMin Zou
Jun 26, 2021·ACS Applied Materials & Interfaces·Songtao HuDaniele Dini
Jul 2, 2021·ACS Applied Materials & Interfaces·Do Hyeog KimYoung Tae Cho
Dec 23, 2020·ACS Applied Materials & Interfaces·Qiu YinPing Cheng
Mar 15, 2019·Accounts of Chemical Research·Honghao HouXuesong Jiang
Jan 1, 2020·ACS Applied Materials & Interfaces·Songtao HuDaniele Dini
Apr 17, 2020·ACS Applied Materials & Interfaces·Seong Min KangJoon Hyung An
Nov 19, 2019·Nano Letters·Kam Sang KwokDavid H Gracias
Aug 27, 2021·Science·Abhishek DhyaniAnish Tuteja
Aug 21, 2020·ACS Applied Materials & Interfaces·Erina Baynojir JoyeeYayue Pan
Dec 18, 2021·Chemical Reviews·Pingan Zhu, Liqiu Wang
Jan 23, 2022·Proceedings of the National Academy of Sciences of the United States of America·Kyle L WilkeEvelyn N Wang
Jan 27, 2022·Environmental Science and Pollution Research International·Mahdi Shayan NasrHyoung Jin Choi

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Methods Mentioned

BETA
scanning electron microscopy

Software Mentioned

OneAttention

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