Microflower-Decorated Superhydrophobic Copper Surface for Dry Condensation

Xuemei Chen, Qiang Li, Kongyang Hou, Xiaoyang Li, Zuankai Wang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

22 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)16275-16280
Number of pages6
Issue number49
Publication statusPublished - 10 Dec 2019
Externally publishedYes

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry


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