DOI: 10.1063/1.373452. Morphology of liquid microstructures on chemically patterned surfaces

Morphology of liquid microstructures on chemically patterned surfaces

10.1063/1.373452

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

We study the equilibrium conformations of liquid microstructures on flat but chemically heterogeneous substrates using energy minimization computations. The surface patterns, which establish regions of different surface energy, induce deformations of the liquid–solid contact line. Depending on the geometry, these deformations either promote or impede capillary breakup and bulge formation. The contact angles of the liquid on the hydrophilic and hydrophobic regions, as well as the pattern geometry and volume of liquid deposited, strongly affect the equilibrium shapes. Moreover, due to the small scale of the liquid features, the presence of chemical or topological surface defects significantly influence the final liquid shapes. Preliminary experiments with arrays of parallel hydrophilic strips produce shapes resembling the simulated forms. These encouraging results provide a basis for the development of high resolution lithography by direct wet printing.

Bibliography

Darhuber, A. A., Troian, S. M., Miller, S. M., & Wagner, S. (2000). Morphology of liquid microstructures on chemically patterned surfaces. Journal of Applied Physics, 87(11), 7768â7775.

Authors 4

Anton A. Darhuber (first)
Sandra M. Troian (additional)
Scott M. Miller (additional)
Sigurd Wagner (additional)

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:55 a.m.)
Deposited	1 year, 6 months ago (Feb. 5, 2024, 7:58 p.m.)
Indexed	1 year ago (July 29, 2024, 3:55 p.m.)
Issued	25 years, 2 months ago (June 1, 2000)
Published	25 years, 2 months ago (June 1, 2000)
Published Print	25 years, 2 months ago (June 1, 2000)

Funders 0

None

BibTeX

@article{Darhuber_2000, title={Morphology of liquid microstructures on chemically patterned surfaces}, volume={87}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.373452}, DOI={10.1063/1.373452}, number={11}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Darhuber, Anton A. and Troian, Sandra M. and Miller, Scott M. and Wagner, Sigurd}, year={2000}, month=jun, pages={7768–7775} }

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