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Biological inspired superhydrophobic and self-cleaning flexible silicone rubber

This report describes a flexible and stretchable superhydrophobic surface on an elastomer silicone rubber by one-step laser treatment for the future flexible and wearable electronics. Previously, there are some studies about the fabrication of superhydrophobic surface on silicone rubber by forming micro- or nanostructure. However, the superhydrophobicity and self-cleaning under bending/stretching and time reliability have yet to be demonstrated. Here, we conduct a systematic study of superhydrophobicity and self-cleaning surface under applying a tensile stress and its application of microfluidic valve.