Fabricating Two-Dimensional Molecular Gradients Via Asymmetric Deformation of Uniformly-Coated Elastomer Sheets

Published

September 1, 2003

Author(s)

Jan Genzer, Daniel A. Fischer, K Efimenko

Abstract

Tuning the surface characteristics of materials has become of paramount interest in many fields of science and technology. While most applications involve surfaces that are chemically homogeneous, in other instances, surfaces are needed that comprise two or more chemically heterogeneous regions. Applications of the latter family of structures include tools for chemical separations, substrates for selective adsorption, and specimens for lithography and other microfabrication technologies. Recently, there has been an increased interest in generating and utilizing so-called gradient substrates, in which the surface energy varies gradually across the sample surface.[1,2,3] Numerous studies established that such structures offer a unique geometry for probing cell/substrate interactions, [1] phase behavior in thin liquid (including polymer) films, [4,5] and directed motion of liquid. [6,7,8,9] Recent reports also demonstrated that gradient substrates prove useful in molecular templating and multi-variant studies. [10,11,12]

Citation

Advanced Materials

Volume

15

Issue

No. 18

Pub Type

Journals

Keywords

combinatorial, molecular gradients, NEXAFS, soft x-ray

Citation

Genzer, J. , Fischer, D. and Efimenko, K. (2003), Fabricating Two-Dimensional Molecular Gradients Via Asymmetric Deformation of Uniformly-Coated Elastomer Sheets, Advanced Materials (Accessed July 21, 2024)