Recent Progress in Bionic Condensate Microdrop Self-Propelling Surfaces

Bionic condensate microdrop self-propelling (CMDSP) surfaces are attracting increased attention as novel, low-adhesivity superhydrophobic surfaces due to their value in fundamental research and technological innovation, e.g., for enhancing heat transfer, energy-effective antifreezing, and electrostatic energy harvesting. Here, the focus is on recent progress in bionic CMDSP surfaces. Metal-based CMDSP surfaces, which are the most promising in their respective fields, are highlighted for use in future applications. The selected topics are divided into four sections: biological prototypes, mechanism and construction rules, fabrication, and applications of metal-based CMDSP surfaces. Finally, the challenges and future development trends in bionic CMDSP surfaces are envisioned, especially the utilization of potential bionic inspiration in the design of more advanced CMDSP surfaces.

Biological inspirations, mechanisms, and construction rules of emerging bionic condensate microdrop self-propelling (CMDSP) surfaces are presented, and fabrication methods and technological innovations of metal-based CMDSP surfaces, involving heat transfer enhancement, energy-effective antifreezing, and electrostatic energy harvesting, are highlighted. Finally, their challenges and development trends are envisaged, especially the design of more advanced bionic CMDSP surfaces.

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