Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effect of Carbon Nanotube/Copper Composite on Efficiency of Electromagnetic Interference Shielding

전기도금법으로 제조된 탄소나노튜브/구리 복합체의 전자기파 차폐 연구

  • Lee, Seunghyuk (Department of Information Communication, Materials and Chemistry Convergence Technology, Soongsil University) ;
  • Shin, Myunggyu (Department of Organic Materials and Fiber Engineering, Soongsil University) ;
  • Song, Hyeonjun (Department of Information Communication, Materials and Chemistry Convergence Technology, Soongsil University) ;
  • Jeong, Youngjin (Department of Information Communication, Materials and Chemistry Convergence Technology, Soongsil University)
  • 이승혁 (숭실대학교 정보통신소재융합학과) ;
  • 신명규 (숭실대학교 유기신소재파이버공학과) ;
  • 송현준 (숭실대학교 정보통신소재융합학과) ;
  • 정영진 (숭실대학교 정보통신소재융합학과)
  • Received : 2020.07.31
  • Accepted : 2020.08.25
  • Published : 2020.08.31
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Abstract

With the development of wireless technology, it has become necessary to protect information technology devices from electromagnetic interference with electromagnetic-shielding materials. In this study, an electromagnetic-shielding material was prepared using a carbon nanotube (CNT) sheet electroplated with copper. The copper electroplating on the CNT sheet improved the electrical conductivity of the CNT sheet, which increased the overall shielding effectiveness (SE). The SE was evaluated using a vector network analyzer. The measured SE of the raw CNT sheet was 37.84 dB, and the SE of the composite sheet electroplated with copper increased to 83.9 dB, which was comparable to that of pure copper. Additionally, the composite sheet showed a high SE per unit thickness of 5412.72 dB/mm. Therefore, this study serves a reference for the improved development of thin light materials via copper electroplating on CNT sheets for electromagnetic-interference shielding.

Keywords

Acknowledgement

본 연구는 2020년도 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(NO. NRF-2020R1A2C2006720).

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