Abstract
In this study, we report the preparation of a lotus-leaf-like coating with robust super-hydrophobicity and anti-ultraviolet ability. As theoretically decoded from quantum mechanics, the combination of ceria-modified roughness with a substrate layer with low surface energy may help narrow the water-"hit" moiety on the surface and accordingly enhance the super-hydrophobicity, along with the intrinsic ultraviolet-resistant ability of ceria. To the end, this coating was fabricated by spraying a ceria emulsion and a perfluorosilane emulsion of the substrate layer onto a glass slide that helped form the lotus-leaf-like rough surface. Depending on the content of ceria, the prepared coating demonstrated the desired and excellent superhydrophobic properties in which the contact angle can be up to 155.7° and the rolling angle can be up to 4.8°. The presence of ceria in the prepared lotus-leaf-like coating not only enhanced the super-hydrophobicity but also dictated the anti-ultraviolet ability. In conjunction with the sturdy wear resistance, the successful preparation of this coating suggests a promising prospect for practical applications and particularly outdoor applications.
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This work is financially supported by the program of the Jiangsu Innovation and Entrepreneurship Team.
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Yongtian Xiao and Yang Qi completed the experiment, Xiaojuan Shen and Maiyong Zhu presented analysis and Songjun Li supervise the process.
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Xiao, Y., Qi, Y., Shen, X. et al. Preparation of a Lotus-Leaf-Like Coating with Robust Super-Hydrophobicity and UV-Resistant Ability. J Inorg Organomet Polym 33, 579–590 (2023). https://doi.org/10.1007/s10904-022-02522-7
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DOI: https://doi.org/10.1007/s10904-022-02522-7