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Updated: May 26, 2026

Capillary Force Lithography for Cardiac Tissue Engineering

Capillary Force Lithography for Cardiac Tissue Engineering

Published on: June 10, 2014

Deflected capillary force lithography.

Yangjun Cai¹, Zhi Zhao, Jixin Chen

¹Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77843, United States.

|January 10, 2012

Summary

This summary is machine-generated.

Researchers developed deflected capillary force lithography (dCFL) to create asymmetric polymer rings. This novel method uses shear and normal forces for precise fabrication of tunable split ring structures for potential optical and electromagnetic applications.

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Area of Science:

Materials Science
Nanotechnology
Polymer Science

Background:

Fabricating asymmetric nanostructures is crucial for advanced optical and electromagnetic devices.
Existing lithography techniques face challenges in creating tunable, asymmetric polymeric structures efficiently.

Purpose of the Study:

To introduce a novel method, deflected capillary force lithography (dCFL), for fabricating asymmetric polymeric ring structures.
To demonstrate the transfer of these structures to a gold layer, creating tunable split rings.
To explore the fabrication of other asymmetric shapes and their arrangement into periodic arrays.

Main Methods:

Utilizing capillary force lithography (CFL) with a poly(dimethylsiloxane) (PDMS) stamp.
Applying both shear and normal forces to induce deflection of cylindrical PDMS pillars (dCFL).
Transferring fabricated asymmetric polymeric rings onto a gold substrate.

Main Results:

Successfully fabricated asymmetric polymeric ring structures using the dCFL technique.
Demonstrated the creation of split ring structures with tunable opening angles on a gold layer.
Fabricated asymmetric structures using triangular and square-shaped pillars, forming periodic arrays up to 1 cm(2).

Conclusions:

Deflected capillary force lithography (dCFL) offers a novel and effective strategy for fabricating asymmetric polymeric nanostructures.
The developed method allows for precise control over structural asymmetry and tunable features.
These asymmetric structures hold promise for applications in optics and electromagnetics.