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- Title
A Sandwich Structural Filter Paper–AgNWs/MXene Composite for Superior Electromagnetic Interference Shielding.
- Authors
Han, Xiaoshuai; Feng, Hongyu; Tian, Wei; Zhang, Kai; Zhang, Lei; Wang, Jiangbo; Jiang, Shaohua
- Abstract
A thin, lightweight and flexible electromagnetic interference (EMI) shielding paper composite is an urgent need for modern military confrontations. Herein, a sandwich-structured EMI shielding paper composite with an easy pavement consisting of a filter paper layer, middle AgNWs/MXene layer, and polyvinyl butyral (PVB) layer was constructed by vacuum-assisted filtration, spraying and air-drying. The middle AgNWs/MXene compound endowed the filter paper with excellent electrical conductivity (166 S cm−1) and the fabricated filter paper–AgNWs/MXene–PVB composite exhibits superior EMI shielding (30 dB) with a 141 μm thickness. Remarkably, the specific EMI shielding effectiveness (SSE/t) of the filter paper–AgNWs/MXene–PVB composite reached 13,000 dB cm2 g−1 within the X-band frequency range. This value represents one of the highest reported for cellulose-based EMI shielding materials. Therefore, our sandwich-structured filter paper composite with superior EMI shielding performance can be used in the medical and military fields.
- Subjects
ELECTROMAGNETIC interference; ELECTROMAGNETIC shielding; POLYVINYL butyral; FILTER paper; ELECTRIC conductivity
- Publication
Polymers (20734360), 2024, Vol 16, Issue 6, p760
- ISSN
2073-4360
- Publication type
Article
- DOI
10.3390/polym16060760