Fabrication of hierarchical moth-eye structures with durable superhydrophobic property for ultrabroadband visual and mid-infrared applications
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Authors
Dong, LitongZhang, Ziang
Wang, Lu
Weng, Zhankun
Ouyang, Mingzhao
Fu, Yuegang
Wang, Jiake
Li, Dayou
Wang, Zuobin
Affiliation
Changchun University of Science and TechnologyChinese Academy of Sciences
University of Bedfordshire
Issue Date
2019-08-20
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Multifunctional antireflective coatings have practical applications as important optical components in many fields, particularly for optical devices and imaging systems. However, a good antireflection application in the visible region is often unsatisfactory for mid-infrared devices, and the difficulty in obtaining multiple capabilities simultaneously is one of the main factors limiting their applications. In this work, hierarchical moth-eye structures with superhydrophobicity were fabricated via inductively coupled plasma reactive ion etching (ICP-RIE) using nanodisk-array masks, which were formed by three-beam laser interference lithography (LIL), for improving the ultra-broadband optical properties. The uniform antireflection efficiency, which was close to 1% reflectivity covering over the visible and mid-infrared wavelength range, was exhibited by the moth-eye structures with high-quality pillar arrays. Additionally, irregular nanostructures were tailored onto the top of the pillars to generate hierarchical moth-eye structures for simultaneously obtaining both the superhydrophobic and anticorrosive properties. The fabricated antireflective structures, with the features of self-cleaning and durability, have the advantage of being for long-term use in harsh environments.Citation
Dong L, Zhang Z, Wang L, Weng Z, Ouyang M, Fu Y, Wang J, Li D, Wang Z (2019) 'Fabrication of hierarchical moth-eye structures with durable superhydrophobic property for ultrabroadband visual and mid-infrared applications', Applied Optics, 58 (24), pp.6706-6712.Publisher
Optical Society of AmericaJournal
Applied OpticsPubMed ID
31503604Additional Links
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-58-24-6706Type
ArticleLanguage
enISSN
1559-128Xae974a485f413a2113503eed53cd6c53
10.1364/AO.58.006706
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