Superoleophobic Slippery Lubricant-Infused Surfaces: Combining Two Extremes in the Same Surface

Advanced Materials
Zheqin DongPavel A Levkin

Abstract

The ability to create superoleophobic surfaces repellent toward low-surface-tension liquids is important for various applications, and has been recently demonstrated using re-entrant or doubly re-entrant microtopography. Liquid droplets on such surfaces feature composite liquid-solid-air interfaces, whereas composite liquid-lubricant-air interfaces would have potential for additional repellency. Here, the development of a novel slippery superoleophobic surface with low adhesion is demonstrated via combining doubly re-entrant microtopography with slippery lubricant-infused porous surfaces. This is realized by using 3D direct laser writing to fabricate doubly re-entrant micropillars with dedicated nanostructures on top of each pillar. The top nanostructures stabilize the impregnated slippery lubricant, while the re-entrant geometry of the micropillars prevents lubricant from spreading. The slippery layer reduces the adhesion of liquid to the pillars, as proved using scanning droplet adhesion microscopy (SDAM), while the doubly re-entrant micropillars make the surface superoleophobic. This novel interface combining two extremes, superoleophobicity and slippery lubricant-infused surface, is of importance for designing superoleophob...Continue Reading

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Citations

Jul 16, 2019·Small·Xiaojiang LiuZhongze Gu
Oct 2, 2019·Advanced Materials·Christoph ButenBart Jan Ravoo
Oct 2, 2019·Proceedings of the National Academy of Sciences of the United States of America·Xiaoxuan ZhangYuanjin Zhao
Jan 30, 2020·Nanoscale·Changyou YanXiaolong Wang
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Sep 13, 2020·Scientific Reports·Gaby LaunayGary G Wells
Oct 27, 2020·Advanced Science·Xiaojiang LiuZhongze Gu
Feb 20, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Zahra AshrafiWendy Krause
Apr 6, 2021·The Journal of Physical Chemistry Letters·Shilin HuangXuelin Tian
Jun 15, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Jin WangJinhui Pang
Jul 2, 2021·ACS Applied Materials & Interfaces·Do Hyeog KimYoung Tae Cho
Dec 24, 2018·ACS Applied Materials & Interfaces·Hyunchul KimTaeyoon Lee
Jul 5, 2019·ACS Applied Materials & Interfaces·Chander Shekhar SharmaDimos Poulikakos
Feb 14, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Glen McHaleRodrigo Ledesma-Aguilar
Nov 23, 2019·ACS Applied Materials & Interfaces·Jian GaoPengyang Deng
Sep 12, 2020·ACS Applied Materials & Interfaces·Tao WangSheng Wang
Feb 11, 2020·ACS Applied Materials & Interfaces·Chee Leng LayXing Yi Ling
May 24, 2019·ACS Applied Materials & Interfaces·Zahra AshrafiWendy Krause
Sep 29, 2021·Advanced Materials·Zheqin DongPavel A Levkin

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