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Resilient Ceramic Aerogels with Dual-Nanofiber Microlamellar Structures Constructed Using a Facile Self-Assembly
Jianan Qin1, Xin Long1,2, Xiongbang Wei1,2
1The Yangtze Delta Region Institute (Quzhou), University of Electronic Science and Technology of China, Quzhou 324003, P. R. China.
ACS Applied Materials & Interfaces
|December 29, 2025
Summary
We developed a simple method to create ceramic nanofibrous aerogels with excellent thermal insulation and mechanical properties. These advanced materials are ideal for high-temperature insulation applications.
Area of Science:
- Materials Science
- Nanotechnology
Background:
- Ceramic nanofibrous aerogels offer excellent thermal stability and insulation but are difficult to fabricate.
- Current methods require complex processes, limiting practical applications.
Purpose of the Study:
- To develop a simple self-assembly strategy for fabricating ceramic nanofibrous aerogels.
- To achieve balanced mechanical and insulating properties for harsh-environment applications.
Main Methods:
- Utilized directional negative pressure-assisted arrangement and capillary force-induced infiltration growth.
- Constructed a ceramic nanofibrous aerogel with a microlamellar structure.
Main Results:
- Achieved low density (47.2 mg/cm³), remarkable compressibility (60% strain recovery), and ultralow thermal conductivity (0.035 W/(m·K)).
- Demonstrated outstanding high-temperature resistance up to 1200 °C.
- Eliminated need for energy-intensive post-treatments and complex templating agents.
Conclusions:
- The facile self-assembly strategy enables the development of mechanically robust, highly thermally insulating ceramic aerogels.
- This approach provides an effective route for creating advanced materials for harsh-environment applications.
