ArticleProceedings of the National Academy of Sciences of the United States of America2020
Frost-free zone on macrotextured surfaces.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 78 citations in OpenAlex.
- How surface charges affect interdroplet freezing.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Role variability of surface chemistry and surface topography in anti-icing performance.iScience · 2024Article
- Robust hybrid diffusion control for long-term scalable frost prevention.Science advances · 2024Article
- Frost-free zone on leaves revisited.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Plasmonic metasurfaces of cellulose nanocrystal matrices with quadrants of aligned gold nanorods for photothermal anti-icing.Nature communications · 2023Article
- Fabrication of Silver Iodide (AgI) Patterns via Photolithography and Its Application to In-Situ Observation of Condensation Frosting.Nanomaterials (Basel, Switzerland) · 2023Article
- All-perfluoropolymer, nonlinear stability-assisted monolithic surface combines topology-specific superwettability with ultradurability.Innovation (Cambridge (Mass.)) · 2023Article
- Frost formation through super-cooled water within micron gap of galvanic coupled arrays.RSC advances · 2022Article
- Cryofouling avoidance in the Antarctic scallop Adamussium colbecki.Communications biology · 2022Article
- Dynamic Anti-Icing Surfaces (DAIS).Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2021Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Numerous studies have focused on designing functional surfaces that delay frost formation or reduce ice adhesion. However, solutions to the scientific challenges of developing antiicing surfaces remain elusive because of degradation such as mechanical wearing. Inspired by the discontinuous frost pattern on natural leaves, here we report findings on the condensation frosting process on surfaces with serrated structures on the millimeter scale, which is distinct from that on a conventional planar surface with microscale/nanoscale textures. Dropwise condensation, during the first stage of frosting, is enhanced on the peaks and suppressed in the valleys, causing frost to initiate from the peaks, regardless of surface chemistry. The condensed droplets in the valley are then evaporated due to the lower vapor pressure of ice compared with water, resulting in a frost-free zone in the valley, which resists frost propagation even on superhydrophilic surfaces. The dependence of the frost-free areal fraction on the geometric parameters and the ambient conditions is elucidated by both numerical simulations based on steady-state diffusion and an analytical method with an understanding of boundary conditions independent of surface chemistry. We envision that this study would provide a unified framework to design surfaces that can spatially control frost formation, crystal growth, diffusion-controlled growth of biominerals, and material deposition over a broad range of applications.
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