Journal
LANGMUIR
Volume 35, Issue 49, Pages 16275-16280Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.9b02623
Keywords
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Funding
- National Key R&D Program of China [2018YFA0209500]
- National Natural Science Foundation of China [51706100]
- Natural Science Foundation of Jiangsu Province [BK20180477]
- Fundamental Research Funds for the Central Universities [30918011205]
- National MCF Energy RD Program [2018YFE0312300]
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The ability to keep surfaces dry is highly desired in many industrial settings, such as condensation, anti-icing, and antifogging. During those applications, phase-change processes are normally involved, and thus the superior superhydrophobic state manifested under ambient conditions is susceptible to collapse under these extreme conditions. Although the design of refined textures offers potential to maintain dry surfaces, the large-scale fabrication of these surfaces is tedious and costly. Herein, we report a facile one-step solution-immersion technique that allows for the attainment of sustained and dry condensation surfaces. Careful optimization of the synthesis procedure and surface morphology, especially the density of microflower structures, the wetting states and departure dynamics of condensate droplets can be mediated, leading to the overall enhanced performances. Our results not only provide important insight for the design of surfaces that promote efficient droplet departure but also promise a large-scale fabrication approach to increase heat transfer in many industrial applications.
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