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Smart Bionic Surfaces with Switchable Wettability and Applications.

Shuyi Li¹, Yuyan Fan¹, Yan Liu¹

¹Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, 130022 China.

Journal of Bionic Engineering

|June 16, 2021

Summary

This summary is machine-generated.

Smart surfaces with switchable wettability offer advanced control over liquid behavior. This review covers mechanisms, stimuli, and applications like oil/water separation and soft robotics.

Keywords:

bionic surfaces external stimuli responsive mechanisms switchable wettability

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Area of Science:

Interface science
Materials science
Surface chemistry

Background:

Smart control of surface wettability is crucial for advanced applications and intelligent devices.
Switchable wettability on superwettable materials is a growing area of research in interface wetting.

Purpose of the Study:

To review interfacial wetting states and switchable wettability on superwettable materials.
To focus on recent developments in smart surfaces with switchable wettability and their regulatory mechanisms.
To summarize applications, limitations, and future perspectives in smart wetting surfaces.

Main Methods:

Review of classical wetting models and liquid adhesive behaviors inspired by nature.
Analysis of regulatory mechanisms governed by surface chemical composition and geometrical structure changes.
Compilation of studies utilizing various external stimuli (physical, chemical, multi-triggered) for wettability control.

Main Results:

Smart surfaces can achieve switchable wettability through alterations in surface properties under external stimuli.
Diverse stimuli, including temperature, light, electric fields, pH, and ions, effectively regulate surface wettability.
Applications span oil/water separation, programmable transport, anti-biofouling, detection, delivery, and soft robotics.

Conclusions:

Smart surfaces with switchable wettability are vital for future technologies.
Understanding responsive mechanisms under various stimuli guides the design of advanced smart surfaces.
Further research can expand fundamental understanding and practical applications in diverse fields.