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Updated: Jul 19, 2025

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Liquid-Templating Aerogels.

Seyyed Alireza Hashemi1, Ahmadreza Ghaffarkhah1, Milad Goodarzi1

  • 1Nanomaterials and Polymer Nanocomposites Laboratory, School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada.

Advanced Materials (Deerfield Beach, Fla.)
|August 10, 2023
PubMed
Summary

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This summary is machine-generated.

Researchers developed a novel liquid templating method for creating ultra-lightweight aerogels. This advanced fabrication technique allows for on-demand characteristics, overcoming limitations of current materials science for diverse applications.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Additive Manufacturing

Background:

  • Advanced fabrication methods enable material engineering from nano- to macroscales.
  • Current methods for designing materials with specific applications are limited.
  • Ultra-lightweight aerogels often suffer from poor mechanical integrity and lack of predefined 3D structures.

Purpose of the Study:

  • Introduce a novel strategy for target-oriented manufacturing of ultra-lightweight aerogels.
  • Enable on-demand characteristics and overcome limitations of existing aerogel fabrication.
  • Demonstrate tunable properties for specific applications.

Main Methods:

  • Controllable liquid templating via interfacial complexation.
  • Nanoscale chemistry and microscale assembly of nanoparticles (NPs) at liquid-liquid interfaces.
Keywords:
electromagnetic interference (EMI) shieldingfilamentous aerogelsinterfacial assemblynanoparticle assemblyoil absorption

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  • Generation of stimuli-responsive 3D-structured filamentous liquid templates.
  • Main Results:

    • Fabrication of hierarchical aerogels with multiscale porosity and ultralow density (3.05-3.41 mg cm⁻³).
    • Achieved high compressibility (90%) with elastic resilience and instant shape recovery.
    • Demonstrated tunable electromagnetic interference shielding (39,893 dB cm²/g) and high oil-absorption capacity (487x).

    Conclusions:

    • The developed liquid templating methodology overcomes challenges in aerogel fabrication.
    • Enables systematic function design for lightweight materials.
    • Pushes the boundaries for diverse applications requiring tailored aerogel properties.