Title

An analytical model for the wettability switching characteristic of a nanostructured thermoresponsive surface

Authors

Authors

G. Londe; A. Chunder; L. Zhai;H. J. Cho

Comments

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Abbreviated Journal Title

Appl. Phys. Lett.

Keywords

contact angle; drops; hydrophilicity; hydrophobicity; nanoparticles; polymers; silicon compounds; surface energy; surface structure; wetting; Physics, Applied

Abstract

The applications of thermoresponsive surfaces require the development of a rigorous mathematical treatment for these surfaces to understand and improve their behavior. We propose an analytical model to describe the transfer characteristics (variation in contact angle versus temperature) of a unique nanostructured thermosensitive surface, consisting of silica nanoparticles and a hydrophilic/hydrophobic thermoresponsive polymer, poly(N-isopropylacrylamide). Three different thermo-sensitive platforms were fabricated and the contact angle change of a water droplet on the surface with varying surface temperature was analytically modeled.

Journal Title

Applied Physics Letters

Volume

94

Issue/Number

16

Publication Date

1-1-2009

Document Type

Article

Language

English

First Page

3

WOS Identifier

WOS:000265823300096

ISSN

0003-6951

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