Percolative Network-Based Flexible Transparent Conductive MXene-Nickel Microfiber Film for Electromagnetic...

Area of Science:

• Materials Science
• Nanotechnology
• Optoelectronics

Background:

• Advanced optoelectronics require effective electromagnetic interference (EMI) shielding solutions.
• Existing EMI shielding materials often lack transparency, flexibility, or ultrathin properties.

Purpose of the Study:

• To develop a transparent EMI shielding film with multifunctional properties.
• To investigate the relationship between percolation network formation and optoelectronic performance.

Main Methods:

• Embedding Ti3C2Tx MXene particles within one-dimensional (1D) metallic fiber structures.
• Utilizing a percolation model to analyze the formation of conductive networks.
• Characterizing EMI shielding effectiveness (SE) and visible light transmittance.

Main Results:

• Achieved an SE of 45 dB at 64% transmittance and 39 dB at 86% transmittance in the X-band.
• Demonstrated stable shielding performance after 5000 bending cycles, indicating excellent mechanical stability.
• The 1D metallic fiber structure facilitated a percolative network for efficient EMI shielding.

Conclusions:

• The developed transparent EMI shielding film meets multifunctional requirements for advanced optoelectronics.
• The study provides industrially feasible fabrication methods for high-performance optoelectronic materials.
• The Ti3C2Tx MXene/1D metallic fiber composite shows promise for next-generation electronic applications.