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Interconnected MXene/Graphene Network Constructed by Soft Template for Multi-Performance Improvement of Polymer
Liyuan Jin1, Wenjing Cao1, Pei Wang1
1Research Center of Nanoscience and Nanotechnology, College of Sciences, Shanghai University, 99 Shangda Road, Shanghai, 200444, People's Republic of China.
Nano-Micro Letters
|June 14, 2022
Summary
Researchers developed multifunctional MXene/graphene/polymer composites with enhanced thermal conductivity and electromagnetic interference (EMI) shielding. This scalable method offers improved performance for smart electronic devices.
Area of Science:
- Materials Science
- Polymer Science
- Nanotechnology
Background:
- Multifunctional polymer composites require simultaneous multi-performance optimization.
- Large-scale design and mass production of these composites remain challenges.
Purpose of the Study:
- To fabricate multifunctional MXene/graphene/polymer composites with 3D conductive networks.
- To achieve multi-performance improvements through facile fabrication techniques.
Main Methods:
- Utilized soft template microstructure for network formation.
- Employed a facile dispersion dip-coating approach for fabrication.
- Incorporated MXene and graphene within a polymer matrix.
Main Results:
- Achieved a through-plane thermal conductivity of 2.44 W m⁻¹ K⁻¹ (1118% increase).
- Reached electromagnetic interference (EMI) shielding effectiveness of 43.3 dB in the X-band.
- Enhanced mechanical properties by 4 times compared to the polymer matrix.
Conclusions:
- The developed composites exhibit excellent thermal management and EMI shielding.
- Facile and scalable production techniques show promise for next-generation smart electronic devices.
- The 3D conductive network structure is key to multi-performance optimization.
