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Related Experiment Video

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Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures
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Smart Patterned Surface with Dynamic Wrinkles.

Honghao Hou1, Jie Yin1, Xuesong Jiang1

  • 1School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials , Shanghai Jiao Tong University , Shanghai 200240 , People's Republic of China.

Accounts of Chemical Research
|March 15, 2019
PubMed
Summary
This summary is machine-generated.

This study explores dynamic wrinkle patterns on surfaces, offering versatile applications in smart materials and devices. These responsive patterns can be controlled by various stimuli for tunable optical, electronic, and physical properties.

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Area of Science:

  • Materials Science
  • Physics
  • Chemistry
  • Biology

Background:

  • Patterned surfaces are crucial across scientific disciplines, enabling significant functions and applications.
  • Wrinkling and buckling present a versatile, spontaneous, and large-scale method for creating surface patterns.
  • Dynamic wrinkle patterns offer tunable surface properties, leading to smart surfaces with potential in optics, electronics, and adhesion.

Purpose of the Study:

  • To review recent advancements in smart surfaces featuring dynamic wrinkle patterns.
  • To discuss the design, preparation, and diverse applications of these dynamic wrinkle systems.
  • To explore the potential of dynamic wrinkles in creating responsive and functional materials.

Main Methods:

  • Investigating mechanical instability-induced wrinkle patterns in bilayer or gradient layer systems.
  • Utilizing chemical and physical stimuli (light, temperature, pH, chemicals) to control wrinkling and dewrinkling.
  • Employing dynamic chemistry (Diels-Alder, photodimerization, supramolecular chemistry) to create multiresponsive wrinkle patterns.
  • Incorporating functional additives (e.g., carbon nanotubes for photothermal effects) into elastic substrates.

Main Results:

  • Demonstrated control over wrinkling and dewrinkling by manipulating material properties and geometry.
  • Developed multiresponsive dynamic wrinkles triggered by various stimuli.
  • Fabricated photothermally reconfigurable wrinkle systems using carbon nanotubes for near-infrared light-responsive patterns.
  • Showcased applications in smart displays, flexible electronics, tunable adhesion, and wettability.

Conclusions:

  • Dynamic wrinkle patterns represent a fundamental and versatile concept for smart surfaces.
  • Future work will focus on generalizing this concept to other smart materials and tuning functional properties.
  • This field holds significant promise for developing advanced optoelectronic devices and responsive microstructures.