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Related Experiment Video

Updated: Jun 22, 2025

PDMS Device Fabrication and Surface Modification
14:48

PDMS Device Fabrication and Surface Modification

Published on: October 1, 2007

14.8K

A Review of Methods to Modify the PDMS Surface Wettability and Their Applications.

Lucas B Neves1,2, Inês S Afonso3,4, Glauco Nobrega3,4

  • 1Instituto Politécnico de Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal.

Micromachines
|June 27, 2024
PubMed
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This review explores traditional methods for modifying polydimethylsiloxane (PDMS) wettability. Key techniques like plasma treatment and nanomaterial incorporation offer cost-effective solutions for diverse applications.

Area of Science:

  • Materials Science
  • Surface Chemistry
  • Polymer Science

Background:

  • Polydimethylsiloxane (PDMS) possesses valuable properties but its inherent hydrophobicity limits applications requiring controlled wettability.
  • Tailoring PDMS surface wettability is crucial for advancements in microfluidics, biomedical devices, and other fields.

Purpose of the Study:

  • To provide a comprehensive overview of traditional methods for modifying PDMS surface wettability.
  • To discuss the mechanisms, advantages, and limitations of key surface modification techniques.
  • To highlight recent advances and future prospects in PDMS wettability control.

Main Methods:

  • Oxygen plasma treatment to introduce polar functional groups via oxidation.
  • Surfactant addition for versatile wettability alteration based on selection and concentration.
Keywords:
PDMS applicationsnanomaterial incorporationpolydimethylsiloxane (PDMS)surface treatmentwettability modification

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Last Updated: Jun 22, 2025

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  • UV-ozone treatment to increase surface energy and generate hydrophilic groups.
  • Incorporation of nanomaterials (nanoparticles, nanotubes) for adjustable surface properties.

    • Main Results:

    • Oxygen plasma treatment effectively enhances PDMS hydrophilicity.
    • Surfactants offer tunable wettability control.
    • UV-ozone treatment increases surface energy and hydrophilicity.
    • Nanomaterials provide adjustable surface properties and improved wetting behavior.

    Conclusions:

    • Traditional methods (plasma, surfactants, UV-ozone, nanomaterials) are effective and practical for modifying PDMS wettability.
    • These methods offer a balance of information availability, simplicity, and cost-effectiveness.
    • Controlling PDMS wettability is vital for optimizing performance in various technological applications.