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Related Experiment Video

Updated: Jul 20, 2025

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold
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3D Printing Hierarchically Nano-Ordered Structures.

Britta Weidinger1,2, Guohui Yang3, Nadine von Coelln4

  • 1Insitute for Molecular Systems Engineering and Advanced Materials, Universität Heidelberg, Im Neuenheimer Feld 225, 69120, Heidelberg, Germany.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|August 2, 2023
PubMed
Summary

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This summary is machine-generated.

Researchers developed new printable block copolymers (BCPs) for 3D printing. These self-assembled materials allow precise control over 3D nanostructures, enabling high-resolution fabrication of complex microstructures.

Area of Science:

  • Polymer Science
  • Materials Science
  • Nanotechnology

Background:

  • Natural materials exhibit hierarchical structures for unique properties, a precision lacking in current 3D printable materials.
  • Achieving controlled nanoscale organization within bulk 3D printed objects remains a significant challenge.

Purpose of the Study:

  • To present novel self-assembled printable materials based on block copolymers (BCPs) for precise 3D nanostructure control.
  • To demonstrate the fabrication of complex 3D microstructures with controlled internal nano-order using these BCPs.

Main Methods:

  • Synthesis of well-defined block copolymers (BCPs) comprising poly(styrene) (PS) and a functionalized polymethacrylate using controlled radical polymerization.
  • Utilizing the synthesized BCPs in printable formulations for two-photon laser printing of 3D microstructures.
Keywords:
3D printingblock polymersdirect laser writingself-assemblytwo-photon polymerization

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  • Fine-tuning BCP composition and solvent to achieve controlled 3D nano-ordering.

    • Main Results:

    • Successful fabrication of complex 3D microstructures with precise, controlled nano-order throughout the entire volume.
    • Demonstration of the ability to visualize the internal nanostructure of the 3D printed samples via cross-section imaging.
    • Achieved unprecedented control over nanoscale organization within 3D printed polymer materials.

    Conclusions:

    • A versatile approach for creating 3D printed materials with tailor-made nanostructures has been established.
    • This method opens new possibilities for designing functional polymer materials for high-resolution 3D printing applications.
    • The precise control over self-assembly in 3D printing advances the development of advanced functional materials.