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Cellulose-Based Electromagnetic Functional Aerogels: Mechanism, Fabrication, Structural Design, and Application
Jiayao Li1, Fakun Guo1, Yunhui Bao1
1Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.
ACS Applied Materials & Interfaces
|May 5, 2025
Summary
Cellulose aerogels offer eco-friendly solutions for electromagnetic pollution. These renewable materials show great potential for electromagnetic interference shielding and microwave absorption applications.
Area of Science:
- Materials Science
- Nanotechnology
- Environmental Science
Background:
- Electromagnetic pollution and interference pose significant challenges in various fields, including digital communications and defense.
- Cellulose-based aerogels are emerging as promising materials due to their unique structural properties and surface characteristics.
- Their renewability and biocompatibility make them attractive alternatives to conventional electromagnetic functional materials.
Purpose of the Study:
- To provide a comprehensive overview of the current state-of-the-art in cellulosic electromagnetic functional aerogels.
- To elucidate the fundamental mechanisms of electromagnetic interference shielding and microwave absorption in these materials.
- To explore design strategies and multifunctional applications of cellulose-based aerogels for electromagnetic applications.
Main Methods:
- Review of existing literature on cellulose aerogels for electromagnetic applications.
- Analysis of material design principles based on cellulose aerogel properties.
- Discussion of hierarchical design strategies, including macro-, micro/nano-, and supramolecular structures.
- Presentation of multifunctional applications and future research perspectives.
Main Results:
- Cellulose aerogels can be engineered for effective electromagnetic interference shielding and microwave absorption through structural and compositional modifications.
- Hierarchical design strategies are crucial for optimizing the electromagnetic performance of cellulose aerogels.
- These aerogels demonstrate potential in advanced applications like stealth materials and radiation protection.
Conclusions:
- Cellulose-based aerogels represent a sustainable and high-performance class of materials for electromagnetic functional applications.
- Further research into their hierarchical design and multifunctional capabilities will drive innovation in electromagnetic interference shielding and microwave absorption.
- These materials hold significant promise for addressing electromagnetic pollution and advancing technologies in defense and communication.
