Issue

Vol. 14 (2022)

Recent Advances in Design Strategies and Multifunctionality of Flexible Electromagnetic Interference Shielding Materials

https://doi.org/10.1007/s40820-022-00823-7
Junye Cheng
School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, People’s Republic of China
Chuanbing Li
School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, People’s Republic of China
Yingfei Xiong
School of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, People’s Republic of China
Huibin Zhang
Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Department of Materials Science, Fudan University, Shanghai 200438, People’s Republic of China
Hassan Raza
Department of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People’s Republic of China
Sana Ullah
Department of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People’s Republic of China
Jinyi Wu
School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, People’s Republic of China
Guangping Zheng
Department of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People’s Republic of China
Qi Cao
Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, People’s Republic of China
Deqing Zhang
School of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, People’s Republic of China
Qingbin Zheng
School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, People’s Republic of China
Renchao Che
Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Department of Materials Science, Fudan University, Shanghai 200438, People’s Republic of China

Corresponding Author: Renchao Che

rcche@fudan.edu.cn

Nano-Micro Letters, Vol. 14 (2022), Article Number: 80

Abstract

With rapid development of 5G communication technologies, electromagnetic interference (EMI) shielding for electronic devices has become an urgent demand in recent years, where the development of corresponding EMI shielding materials against detrimental electromagnetic radiation plays an essential role. Meanwhile, the EMI shielding materials with high flexibility and functional integrity are highly demanded for emerging shielding applications. Hitherto, a variety of flexible EMI shielding materials with lightweight and multifunctionalities have been developed. In this review, we not only introduce the recent development of flexible EMI shielding materials, but also elaborate the EMI shielding mechanisms and the index for "green EMI shielding" performance. In addition, the construction strategies for sophisticated multifunctionalities of flexible shielding materials are summarized. Finally, we propose several possible research directions for flexible EMI shielding materials in near future, which could be inspirational to the fast-growing next-generation flexible electronic devices with reliable and multipurpose protections as offered by EMI shielding materials.


Highlights:


1 Detailed summary of current trends in the advancement of flexible EMI shielding materials.
2 The theoretical shielding mechanisms and the latest concept of "green shielding" index (gs) are outlined.
3 Functional applications of flexible EMI shielding materials are introduced from thermal conductivity, hydrophobicity to transparency, sensing even multiple functions.
4 Exclusive insights in challenges and future design strategies opportunities for flexible EMI shielding materials are provided.

Keywords

Flexible shielding materials Green shielding index Multifunctionalities EMI shielding mechanism
Cheng, Junye, Chuanbing Li, Yingfei Xiong, Huibin Zhang, Hassan Raza, Sana Ullah, Jinyi Wu, Guangping Zheng, Qi Cao, Deqing Zhang, Qingbin Zheng, and Renchao Che. 2022. “Recent Advances in Design Strategies and Multifunctionality of Flexible Electromagnetic Interference Shielding Materials”. Nano-Micro Letters 14 (March):80. https://doi.org/10.1007/s40820-022-00823-7.
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