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Multiscale Structures Aggregated by Imprinted Nanofibers for Functional Surfaces
Published on: September 11, 2018
Fabrication and characterization of multi-level hierarchical surfaces
1Nanoprobe Laboratory for Bio- & Nanotechnology and Biomimetics, The Ohio State University, Columbus, OH 43210, USA. Bhushan.2@osu.edu
Faraday Discussions
|January 5, 2013
Summary
Mimicking biological systems, researchers created smart adhesive surfaces with tunable adhesion. These eco-friendly surfaces offer controllable low or high adhesion by adjusting fibrillar structures.
Area of Science:
- Materials Science
- Biomimetics
- Surface Engineering
Background:
- Nanostructured surfaces can exhibit tunable adhesion, inspired by biological systems.
- Mimicking natural adhesives offers potential for eco-friendly, controllable surface functionalities.
Purpose of the Study:
- To fabricate and characterize multi-level hierarchical synthetic adhesive surfaces.
- To investigate the relationship between fibrillar structure and surface adhesion properties.
- To explore the wettability and mechanical behavior of these engineered surfaces.
Main Methods:
- Fabrication of hierarchical structures using a patterning technique.
- Measurement of contact angles and contact angle hysteresis for wettability.
- Atomic Force Microscopy (AFM) to determine adhesive forces and study fiber buckling.
Main Results:
- Successfully fabricated surfaces with varying fibrillar densities and diameters.
- Demonstrated control over adhesion by manipulating hierarchical structures.
- Characterized wettability and quantified adhesive forces and buckling behavior.
Conclusions:
- Hierarchical nanostructured surfaces offer a viable route to engineer tunable adhesion.
- Biomimetic design provides a pathway for developing advanced, eco-friendly adhesive materials.
- Understanding fibrillar mechanics is key to optimizing synthetic adhesive performance.
