Enhanced adhesion in two-photon polymerization direct laser writing
Source abstract
Abstract
We have quantified the adhesion forces between two-photon polymerization direct laser writing (TPP-DLW) microstructures and glass surfaces with and without an adhesion promoter. Glass surfaces treated with an acryloxy-silane agent produce adhesion forces that are almost three times larger than the forces observed with pristine glass surfaces. Determination of the substrates’ surface free energies suggests that the observed adhesion enhancement is chemical in its nature, implying that covalent bonds are formed between the polymer and the glass by means of the silane agent. The importance of this finding is demonstrated in the successful production of glassy carbon microstructures using TPP-DLW, followed by pyrolysis.
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Research context
OpenAlex topics: Nonlinear Optical Materials Studies · Laser Material Processing Techniques · Nanofabrication and Lithography Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Mechanical and Aerospace Engineering Department, University of California 1 , Irvine, California 92697, USA
Department of Chemistry, University of California 2 , Irvine, California 92697, USA
Nanoscience Instruments, Inc. 3 , Phoenix, Arizona 85044, USA
Schmid College of Science and Technology, Chapman University 4 , Orange, California 92866, USA
Materials Science and Engineering Department, University of California 5 , Irvine, California 92697, USA
Funding
National Science Foundation
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