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Transparent and Flexible Composite Films with Excellent Electromagnetic Interference Shielding and Thermal Insulating
Qiguo Chen1, Li Huang1,2, Xihua Wang1
1Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, Hebei University of Technology, Tianjin 300130, People's Republic of China.
ACS Applied Materials & Interfaces
|May 12, 2023
Summary
Researchers developed advanced indium tin oxide/silver nanowire (ITO/AgNW) films for electronic displays. These flexible films offer electromagnetic interference (EMI) shielding, high light transmission, and thermal insulation for complex working environments.
Area of Science:
- Materials Science
- Nanotechnology
- Optoelectronics
Background:
- Modern electronic devices require transparent, flexible films for electromagnetic interference (EMI) shielding.
- Existing materials often struggle to balance EMI shielding with high light transmission and thermal insulation.
- Developing multifunctional materials with integrated properties presents significant fabrication challenges.
Purpose of the Study:
- To engineer transparent and flexible composite films with combined EMI shielding, light transmission, and thermal insulation.
- To investigate a multilayer structure strategy for fabricating indium tin oxide (ITO)/silver nanowire (AgNW) composite films.
- To analyze the optimization mechanisms for EMI shielding performance in these novel composite films.
Main Methods:
- Fabrication of multilayer ITO/AgNW composite films using a proposed structural strategy.
- Design of layered structures to enhance film properties.
- Analysis of the relationship between layered structure and EMI shielding performance.
Main Results:
- Successfully fabricated transparent and flexible ITO/AgNW composite films.
- Achieved multifunctional integration of high light transmission, strong EMI shielding, and good thermal insulation.
- Demonstrated excellent near-infrared shielding performance alongside high light transmittance.
Conclusions:
- The multilayer structure strategy effectively integrates multiple desired properties into ITO/AgNW composite films.
- These composite films exhibit promising performance for applications requiring transparent EMI shielding.
- The developed films offer significant potential for advanced electronic device displays and windows.
