Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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Hybrid Carbon Nanomaterials for Electromagnetic Interference Shielding

전자파 차폐용 하이브리드 탄소나노물질

  • Lee, Si-Hwa (Department of Mechanical Engineering, School of Mechanical and Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Oh, Il-Kwon (Department of Mechanical Engineering, School of Mechanical and Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST))
  • Received : 2016.07.29
  • Accepted : 2016.08.18
  • Published : 2016.08.31
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Abstract

Recently, electromagnetic interference (EMI) shielding materials have been extensively developed and significantly considered to protect electronic systems from harmful electromagnetic waves. Although, metal-based materials show high electrical conductivity and EMI shielding effectiveness, they have several challenging problems such as high density and corrosion. Carbon-based materials have been acclaimed as alternative EMI materials due to light weight, high mechanical properties, resistance to corrosion and excellent electrical conductivity. Here, we introduce 1-phase and 2-phase carbon materials as well as 3-phase hybrid carbon materials. The 3-phase hybrid carbon materials composed of metal nanoparticles, carbon nanotubes and graphene can be used as a promising EMI shielding material.

최근 유해한 전자파 문제에 대응하여 사용되는 전자파 차폐 물질에 대한 관심이 대두되고 있다. 우선, 전통적으로 사용되는 전도성이 높은 금속 기반 물질들이 있지만, 무겁고 부식성에 대한 한계가 있기에 이를 극복할 수 있는, 가볍고 기계적 강도가 우수하고, 부식에 대한 내구성이 있으며 전기 전도성이 높은 탄소계 물질들이 대두되었다. 탄소계 물질을 phase별로 나누어, 그래핀, CNT와 같은 1-phase 단일계 탄소계 물질부터 단일계 탄소물질에 금속이 추가되거나, 서로 다른 탄소계 물질이 혼합된 2-phase 탄소계 물질, 서로 다른 탄소계 물질에 기능성 금속이 추가된 3-phase 탄소계 물질순으로 각각의 특징을 소개하였다.

Keywords

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