Reliable and Robust Fabrication Rules for Springtail-Inspired Superomniphobic Surfaces

Area of Science:

• Materials Science
• Surface Engineering
• Biomimetics

Background:

• Superomniphobic surfaces offer advanced properties like self-cleaning and anti-icing.
• Replicating complex bioinspired structures with high fidelity remains a challenge.

Purpose of the Study:

• To develop a reliable fabrication method for bioinspired superomniphobic surfaces with precise microstructures.
• To establish fabrication rules for creating robust, high-fidelity bioinspired masters and replicas.

Main Methods:

• Utilized conventional microelectromechanical systems (MEMS) for silicon master fabrication.
• Employed polymer replication techniques to create the final bioinspired surfaces.
• Investigated critical fabrication rules for precise micromachining.

Main Results:

• Successfully fabricated bioinspired surfaces with precise concave-cap-shaped micropillar arrays.
• Demonstrated high structural fidelity and robustness in the replicated polymeric structures.
• Validated superomniphobic properties, structural durability, and long-term stability.

Conclusions:

• The developed MEMS and polymer replication method is reliable for producing superomniphobic surfaces.
• The established fabrication rules ensure structural integrity and performance.
• The bioinspired surfaces exhibit excellent durability and stability for practical applications.