Longstanding outdoor anti-/deicing performance of photothermal mosquito-eye-like micro-nanostructure arrays

Longstanding outdoor anti-/deicing performance of photothermal mosquito-eye-like micro-nanostructure arrays | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Physical Sciences - Article Longstanding outdoor anti-/deicing performance of photothermal mosquito-eye-like micro-nanostructure arrays Yongmei Zheng, Maolin Zhou, Lingmei Zhu, Chang Gao, Dongdong Yu, and 2 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4880710/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Photothermal icephobic surfaces, poised to revolutionize the anti-icing technology landscape, face significant hurdles in stability, photothermal efficiency, and cost-effectiveness that impede their transition to practical applications1-6. Here, inspired by the superhydrophobic and antireflective micro-nanostructures of mosquito compound eyes7,8, we show a strategy to design a stable and efficient icephobic surface with mosquito-eye-like micro-nanostructure (IPMM). The unique bionic micro-nanostructures are created through the self-assembly of candle soot on the microspine. The IPMM demonstrates an impressively low adhesion force of 25.4 µN at -5°C. The distinctive mosquito-eye-like micro-nanostructures of the IPMM achieve a high robustness against liquid pressure, facilitating the rapid rebound of impacting droplets even at temperatures as low as -9°C. Furthermore, the mosquito-eye-like micro-nanostructure enhances photothermal efficiency by capturing geometric light. Under one sun illumination, the IPMM exhibits a temperature rise rate of up to 9°C·min-1, resulting in remarkable photothermal defrosting (2.03 kg·m-2·h-1) and deicing efficiencies (13.32 kg·m-2·h-1). During outdoor photothermal deicing test, the IPMM eliminates an ice layer (8 mm thick) within 1360 s, notwithstanding the adverse effects of temperature variations induced by cold wind. This studying offers a feasible approach for crafting icephobic surface endowed with stable anti-icing and photothermal deicing properties, poised to propel the anti-icing field towards greater economy, simplicity, and efficiency. Physical sciences/Chemistry/Materials chemistry/Soft materials/Self-assembly Physical sciences/Chemistry/Green chemistry/Sustainability Physical sciences/Materials science/Biomaterials/Bioinspired materials Biological sciences/Biochemistry/Biophysical chemistry Physical sciences/Materials science/Condensed-matter physics/Structure of solids and liquids self-assembly mosquito compound eyes photothermal superhydrophobic anti-/deicing Full Text Additional Declarations There is NO Competing Interest. Supplementary Files SupportingInformation.pdf Supporting Information Movie1.mp4 Movie 1 Movie2.mp4 Movie 2 Movie3.mp4 Movie 3 Movie4.mp4 Movie 4 Movie5.mp4 Movie 5 Movie6.mp4 Movie 6 Movie7.mp4 Movie 7 Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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