Antireflection and antiwetting functionalities of plasma-nanotextured polymer surfaces with biomimetic nanopillars

被引：3

作者：

Li, Xiaoyu ^{[1
]}

Li, Yupeng ^{[1
]}

Muzammil, Iqbal ^{[1
]}

Lei, Mingkai ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Mat Sci & Engn, Surface Engn Lab, Dalian 116024, Peoples R China

来源：

PLASMA PROCESSES AND POLYMERS | 2020年 / 17卷 / 11期

基金：

中国国家自然科学基金;

关键词：

antireflection; antiwetting; biomimetic; nanopillars; plasma nanotexturing; FLUOROCARBON FILMS; TRANSPARENT; NANOSTRUCTURES; WETTABILITY; FABRICATION; ADHESIVE; COATINGS; FEATURES; ARRAYS;

D O I：

10.1002/ppap.202000050

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Inspired by the antireflection and antiwetting functionalities of dragonfly wings decorated with random nanopillars and a wax layer, a facile technique to endow the same functionalities has been devised. In this two-step plasma nanotexturing technique, first oxygen plasma treatment is implemented to grow the random nanopillars on the polymethyl methacrylate (PMMA) surfaces, and then C(4)F(8)plasma polymer deposition is carried out so that the thin fluorocarbon film with a low surface free energy and refraction index covers the random nanopillars. The biomimetic PMMA surfaces exhibit excellent broadband and omnidirectional antireflection properties and robust antiwetting properties under the water droplet impact. The superhydrophobicity at the slippery Cassie state was maintained under the natural oscillation of residual droplets.

引用

页数：14

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