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BPN797: Synthesis and Friction Characteristics of Gecko-Inspired Adhesives

Project ID BPN797
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Start Date Mon 2015-Aug-10 14:46:30
Last Updated Mon 2016-Jan-25 18:12:33
Abstract Geckos have a remarkable ability to stick to and climb almost any type of surface using micro- and nanoscale foot- hairs, which allow conformal contact against any counter-surface and thus, maximize the interfacial interaction. With the goal of mimicking the high adhesion and friction capability of geckos, we have fabricated ordered polymeric nano-fiber arrays of various soft and hard polymers, including low-density polyethylene and cyclic olefin polymers. In order to provide a useful reference for optimum high performance conditions, the effects of fiber geometry (diameter and length,) on the macroscale friction characteristics of the nano-fiber arrays have been systematically investigated. The performance is also evaluated against surfaces with different surface energies, hardness and roughness to help in the design of gecko-like adhesives that perform well on practical surfaces.
Status Continuing
Funding Source Industry
IAB Research Area NanoTechnology: Materials, Processes & Devices
Researcher(s) Hai Liu, JuKyung Choi, Gina Zaghi
Advisor(s) Roya Maboudian, Carlo Carraro
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