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A Two-Layer Graphene Nonwoven Fabric for Effective Electromagnetic Interference Shielding.
Wu, Ying; Tang, Haijun; Kang, Liying; Li, Hongfu; Jiang, Naisheng.
Afiliación
  • Wu Y; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Tang H; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Kang L; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Li H; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Jiang N; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
Materials (Basel) ; 17(15)2024 Jul 29.
Article en En | MEDLINE | ID: mdl-39124411
ABSTRACT
Rapid advancements and proliferation of electronic devices in the past decades have significantly intensified electromagnetic interference (EMI) issues, driving the demand for more effective shielding materials. Herein, we introduce a novel two-layer graphene nonwoven fabric (2-gNWF) that shows excellent EMI shielding properties. The 2-gNWF fabric comprises a porous fibrous upper layer and a dense conductive film-like lower layer, specifically designed to enhance EMI shielding through the combined mechanisms of reflection, multiple internal reflections, and absorption of electromagnetic waves. The 2-gNWF exhibits a remarkable EMI shielding effectiveness (SE) of 80 dB while maintaining an impressively low density of 0.039 g/cm3, surpassing the performance of many existing graphene-based materials. The excellent EMI shielding performance of 2-gNWF is attributed to the multiple interactions of incident electromagnetic waves with its highly conductive network and porous structure, leading to efficient energy dissipation. The combination of high EMI SE and low density makes 2-gNWF ideal for applications that require lightweight yet effective shielding properties, demonstrating the significant potential for advanced EMI shielding applications.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Materials (Basel) Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Materials (Basel) Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza