Gecko-Inspired Combined Lamellar and Nanofibrillar Array for Adhesion on Nonplanar Surface

Autor:	Ronald S. Fearing, Brian G. Bush, Jongho Lee, Roya Maboudian
Rok vydání:	2009
Předmět:	chemistry.chemical_classification Materials science Fabrication Surfaces and Interfaces Polymer Adhesion Grating Condensed Matter Physics chemistry Nanofiber Electrochemistry Shear strength General Materials Science Lamellar structure Composite material Layer (electronics) Spectroscopy
Zdroj:	Langmuir. 25:12449-12453
ISSN:	1520-5827 0743-7463
Popis:	We report the fabrication from a hard polymer of lamellar structures that act as base support planes for high-aspect ratio nanofiber arrays. We experimentally show that nanofiber arrays on lamellae can adhere to both planar and nonplanar surfaces, exhibiting 5 times greater shear strength on a 100 mum peak-to-peak grating than the arrays without the lamellar support structure. The observed behavior on nonplanar surfaces is attributed to the high compliance of the lamellar flaps. The compliance of the combined lamellae and nanofiber arrays is measured to be about 160 times higher than nanofiber arrays on a flat nonlamellar backing layer.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b35ec73a5aa05f50c74ca13b322baee https://doi.org/10.1021/la9029672 Zobrazit plný text záznamu