Wangyu Liu, Zhen Liang, Weigui Xie, Guangwen Huang, Yuanqiang Luo
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Mask-assisted chemical processing methods to fabricate wettability patterns on copper substrates for liquid manipulation
Extreme wettability-patterned surfaces have attracted great attentions due to their excellent application prospects for liquid manipulation. However, developing a simple and universal method to fabricate wettability patterns on a variety of metals remains a great challenge. In this work, we developed three specific preparation approaches to fabricate wettability patterns on copper substrate using chemical processing combined with mask technology. Surface wettability can be suitably controlled by changing the solution concentration and immersing time. The surface has good stability and low pollution under external action. Three preparation methods have differences in preparation process, wettability and mask function. On the basis of these approaches, various complex wettability patterns could be prepared on different metal substrates using designed masks. Furthermore, various wettability-patterned surfaces were successfully fabricated for liquid manipulating applications, such as controlling fluid shape and water transport. These methods proposed is expected to have promising application potential in patternable printing, water collection and heat-dissipation devices.
Surface InnovationsCHEMISTRY, PHYSICALMATERIALS SCIENCE, COAT-MATERIALS SCIENCE, COATINGS & FILMS
CiteScore
5.80
自引率
22.90%
发文量
66
期刊介绍:
The material innovations on surfaces, combined with understanding and manipulation of physics and chemistry of functional surfaces and coatings, have exploded in the past decade at an incredibly rapid pace.
Superhydrophobicity, superhydrophlicity, self-cleaning, self-healing, anti-fouling, anti-bacterial, etc., have become important fundamental topics of surface science research community driven by curiosity of physics, chemistry, and biology of interaction phenomenon at surfaces and their enormous potential in practical applications. Materials having controlled-functionality surfaces and coatings are important to the manufacturing of new products for environmental control, liquid manipulation, nanotechnological advances, biomedical engineering, pharmacy, biotechnology, and many others, and are part of the most promising technological innovations of the twenty-first century.