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Updated: Mar 15, 2026

Reverse Microemulsion-mediated Synthesis of Monometallic and Bimetallic Early Transition Metal Carbide and Nitride Nanoparticles
Published on: November 27, 2015
Electromagnetic interference shielding with 2D transition metal carbides (MXenes).
Faisal Shahzad1, Mohamed Alhabeb2, Christine B Hatter2
1Materials Architecturing Research Center, Korea Institute of Science and Technology, 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea. Nanomaterials Science and Engineering, University of Science and Technology, 217, Gajung-ro, Yuseong-gu, Daejeon 34113, Republic of Korea.
Flexible and conductive MXene films offer superior electromagnetic interference (EMI) shielding. A thin titanium carbide (Ti3C2Tx) film achieved 92 decibels of EMI shielding, showcasing MXenes
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Advanced materials with flexibility and high conductivity are crucial for effective electromagnetic interference (EMI) shielding.
- Two-dimensional (2D) materials like MXenes offer metallic conductivity and hydrophilic properties, making them promising for thin-film applications.
Purpose of the Study:
- To investigate the potential of various MXenes and their polymer composites for high-performance EMI shielding.
- To evaluate the EMI shielding effectiveness of MXene films based on their conductivity and structural properties.
Main Methods:
- Fabrication of free-standing MXene films, specifically Ti3C2Tx.
- Measurement of electrical conductivity and EMI shielding effectiveness (SE) of the MXene films.
- Characterization of film thickness and structural properties.
Main Results:
- A 45-micrometer-thick Ti3C2Tx film demonstrated an exceptional EMI shielding effectiveness of 92 decibels.
- A thinner 2.5-micrometer film achieved over 50 decibels of SE, highlighting scalability.
- The high performance is attributed to the excellent electrical conductivity (4600 S/cm) and multiple internal reflections within the Ti3C2Tx flakes.
Conclusions:
- MXene films, particularly Ti3C2Tx, exhibit state-of-the-art EMI shielding performance at minimal thickness.
- The mechanical flexibility and ease of processing MXenes into films enable versatile application for shielding complex surfaces.
- MXenes and their composites represent a significant advancement in developing efficient and adaptable EMI shielding solutions.
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