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      Efficient and economical approach for flexible photothermal icephobic copper mesh with robust superhydrophobicity and active deicing property

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          Abstract

          Flexible photothermal icephobic copper mesh with robust superhydrophobicity exhibits excellence in passive anti-icing and active deicing.

          Abstract

          Facing various problems caused by icing in daily life, preparing photothermal deicing materials with wide applicability in high efficiency and low cost is not only a current research hotspot but also a great challenge. Herein, an economical spray-coating method is applied to prepare high-efficiency flexible photothermal icephobic copper mesh using micro silicon carbide (SiC) particles as photothermal conversion material and nano silica (SiO 2) particles as a surface superhydrophobic modifier. Owing to the excellent hierarchical micro–nanostructures, the SiC/SiO 2 coated copper mesh exhibits a water contact angle (CA) of 162 ± 2° and a sliding angle (SA) of 3 ± 2°. Interestingly, the coated copper mesh exhibits exceptional mechanical durability against water droplet and water flow impact, repeated bending–twisting and tape-peeling. Benefitting from the robust superhydrophobicity, the SiC/SiO 2 coating on the copper mesh can significantly delay the freezing time of the droplets and reduce the ice adhesion strength. Furthermore, the coated copper mesh well retains the good photothermal conversion and thermal conductivity properties of the micro SiC particles. Under NIR irradiation, the surface temperature of the coated copper mesh placed on the ice layer can increase by 35.3 °C in 220 s, so that it can rapidly melt the accumulated frost and ice layer on the inner wall of the refrigerator. The presented flexible photothermal icephobic copper mesh exhibits enormous potential when applied to remove ice from apparatus that is accessible, such as road, overhead transmission lines and power networks owing to its flexibility, economy, and high energy efficiency.

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          Design of anti-icing surfaces: smooth, textured or slippery?

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            Anti-icing and de-icing techniques for wind turbines: Critical review

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              Probing the critical nucleus size for ice formation with graphene oxide nanosheets

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                Author and article information

                Contributors
                Journal
                SMOABF
                Soft Matter
                Soft Matter
                Royal Society of Chemistry (RSC)
                1744-683X
                1744-6848
                February 25 2021
                2021
                : 17
                : 7
                : 1901-1911
                Affiliations
                [1 ]School of Chemistry and Chemical Engineering, Huazhong University of Science &Technology
                [2 ]Wuhan
                [3 ]China
                [4 ]Key Laboratory of Polymer Processing Engineering, Ministry of Education, South China University of Technology, Guangzhou
                [5 ]Guangdong
                Article
                10.1039/D0SM01930E
                e3e15c27-070e-43cb-adde-7ad5ab0c7c17
                © 2021

                http://rsc.li/journals-terms-of-use

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