S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Mechanical Aerospace Engineering (기계항공공학부) Journal Papers (저널논문_기계항공공학부)
Nanohairs and nanotubes: Efficient structural elements for gecko-inspired artificial dry adhesives
- Issue Date
- Nano Today 4 (2009) 335
- Gecko ; Dry adhesive ; Nanohair ; Nanotube ; Hierarchical hair ; FOOT-HAIR ; ASPECT-RATIO ; DIRECTIONAL ADHESION ; POLYMER NANOHAIRS ; CARBON NANOTUBES ; SMART ADHESION ; CONTACT SHAPE ; SURFACES ; ARRAYS ; LITHOGRAPHY
- An overview of the recent progress in the development of gecko-inspired synthetic dry adhesives is presented, with particular emphasis on two major structural elements of nanohairs and nanotubes. With the advance of nanofabrication techniques, recently developed dry adhesives made of nanohairs and nanotubes show excellent adhesion strength, smart directional adhesion as well. as rough surface adaptability by better mimicking gecko foot hairs. After a brief description of the requirements for high-performance artificial dry adhesives, a variety of synthetic adhesives are described based on materials and structural features of the gecko-inspired nanostructures. In addition, current challenges and future directions towards an optimized synthetic dry adhesive are presented.
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