Electromagnetic interference shielding properties of graphene/MWCNT hybrid buckypaper

Shaowei Lu; Dandan Chen; Junyan Shao; Yaoyao Bai; Caijiao Tian; Keming Ma; Xiaoqiang Wang

Electromagnetic interference shielding properties of graphene/MWCNT hybrid buckypaper

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Author(s): Shaowei Lu¹ ; Dandan Chen¹ ; Junyan Shao¹ ; Yaoyao Bai¹ ; Caijiao Tian¹ ; Keming Ma¹ ; Xiaoqiang Wang¹
- Affiliations: 1: Faculty of Aerospace Engineering at Shenyang Aerospace University (SAU) , Shenyang 110136 , People's Republic of China
Source: Volume 13, Issue 9, September 2018, p. 1252 – 1254
DOI: 10.1049/mnl.2018.5066 , Online ISSN 1750-0443

Received 20/03/2018, Accepted 23/05/2018, Revised 21/04/2018, Published 01/09/2018

A type of lightweight and flexible graphene/multi-walled carbon nanotube (MWCNT) hybrid buckypaper (BP) is fabricated, which show superior shielding effectiveness (SE) of electromagnetic interference and without polymer. The EMI SE of graphene/MWCNT hybrid BP with thickness of 130 μm is up to ∼51 dB at 8 GHz, which is much higher than that of pure MWCNT BP with same thickness (∼32.5 dB) and the best electrical conductivity is up to 10,000 S/m. More important, the improvement in EMI SE is contributed to the SE absorption, while the SE reflection is almost unchanged. This paper-like material is smooth, tough, and flexible enough to be attached on the complex curved surface structure. A facile way to fully develop graphene and MWCNT in lightweight and flexible EMI shielding materials and devices is provided here.

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