Enhancement of electromagnetic interference shielding effectiveness with alignment of spinnable multiwalled carbon nanotubes
2019-11-13 17:38:38 조회수315
Duck Weon Lee(a), Jongwoo Park(a), Bum Joon Kim(a), Hyunsoo Kim(a), Changsoon Choi(b), Ray H.Baughman(c), Seon Jeong Kim(a), Youn Tae Kim(d) a)Center for Self-Powered Actuation, Department of Biomedical Engineering, Hanyang University, Seoul, 04763, South Korea. b)Division of Smart Textile Convergence Research, DGIST, Daegu, 42988, South Korea. c)The Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX, 75083, USA. d)IT Fusion Technology Research Center and Department of IT Fusion Technology, Chosun University, Gwangju 61452, South Korea 원문 링크 :


This research develops a unique material to attenuate electromagnetic interference (EMI) by using spinnable multiwalled carbon nanotubes (MWNTs) combined with bio-polydimethylsiloxane (PDMS) that contains BaTiO3 (MBPBT). In particular, a plaid pattern, formed by the spinnable MWNTs, is very effective in attenuating the propagation of EM waves,which achieves over 20 dB at 8.2–12.4 GHz (X-band frequency range). This means that a filter type of the spinnable MWNTs is actively able to handle the directionality and movement of EMI propagation. In addition, the MBPBT is characterized by its strong mechanical advantage (bending radius 180°). 

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