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Related Concept Videos

  1. Home
  3. Research Domains
  5. Engineering
  7. Materials Engineering
  9. Wearable Materials
  11. 3d-printed Gradient-porous Mxene@mrgo@sio2 Microspheres/sic Hybrid Elastomer For Broadband Electromagnetic Wave Absorption.
  1. Home
  3. Research Domains
  5. Engineering
  7. Materials Engineering
  9. Wearable Materials
  11. 3d-printed Gradient-porous Mxene@mrgo@sio2 Microspheres/sic Hybrid Elastomer For Broadband Electromagnetic Wave Absorption.

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3D-Printed Gradient-Porous MXene@mRGO@SiO2 Microspheres/SiC Hybrid Elastomer for Broadband Electromagnetic Wave Absorption.

Mingwei Yang1,2, Junrui Tan1,2, Eun-Seong Kim3,4

  • 1State Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.

Small Methods
|December 3, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Researchers developed a 3D printable elastomer using novel microspheres for advanced electromagnetic wave absorption. This material offers superior performance and mechanical properties for flexible electronics.

Keywords:
continuous spheroidizationdirect ink 3D printingelectromagnetic wave absorptiongradient‐porous structures

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Area of Science:

  • Materials Science
  • Electromagnetics
  • Additive Manufacturing

Background:

  • Direct ink writing (DIW) allows precise 3D printing of electromagnetic wave absorption elastomers (EMWAEs).
  • Developing printable inks with combined electromagnetic and mechanical properties is challenging.
  • Existing EMWAEs often struggle with printability and performance trade-offs.

Purpose of the Study:

  • To present a scalable fabrication strategy for high-performance EMWAEs using 3D printing.
  • To enhance the printability and electromagnetic absorption capabilities of silicone elastomers.
  • To create multifunctional materials for flexible and wearable electronic applications.

Main Methods:

  • Synthesized MXene@modified-RGO@SiO2 microspheres via continuous spheroidization.
silicone elastomers
  • Incorporated SiO2 nanoparticles to improve microsphere dispersion and rheological properties for DIW.
  • Designed and 3D printed three-layer gradient-porous structures based on electromagnetic simulations.

    • Main Results:

    • Achieved excellent printability and stable DIW extrusion of the elastomer ink.
    • Demonstrated a minimum reflection loss (RLmin) of -44 dB and an effective absorption bandwidth of 7.2 GHz at 3 mm thickness.
    • Observed enhanced thermal conductivity and tensile strength in the printed elastomers.

    Conclusions:

    • The developed MXene@modified-RGO@SiO2 microsphere-based elastomer is a promising material for 3D-printed EMWAEs.
    • The gradient-porous structure design effectively maximizes electromagnetic absorption.
    • This approach offers a versatile platform for next-generation tunable, robust, and high-performance EMWAEs.