Lightweight graphene nanoplatelet/boron carbide composite with high EMI shielding effectiveness | Zendy

Yongqiang Tan | Zendy; Heng Luo | Zendy; Haibin Zhang | Zendy; Xiaosong Zhou | Zendy; Shuming Peng | Zendy

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Lightweight graphene nanoplatelet/boron carbide composite with high EMI shielding effectiveness

Author(s) -

Yongqiang Tan,

Heng Luo,

Haibin Zhang,

Xiaosong Zhou,

Shuming Peng

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4943977

Subject(s) - emi , materials science , boron carbide , electromagnetic interference , composite number , electromagnetic shielding , composite material , graphene , microwave , dielectric , boron , optoelectronics , electronic engineering , nanotechnology , telecommunications , chemistry , organic chemistry , computer science , engineering

Lightweight graphene nanoplatelet (GNP)/boron carbide (B4C) composites were prepared and the effect of GNPs loading on the electromagnetic interference (EMI) shielding effectiveness (SE) has been evaluated in the X-band frequency range. Results have shown that the EMI SE of GNP/B4C composite increases with increasing the GNPs loading. An EMI SE as high as 37 ∼ 39 dB has been achieved in composite with 5 vol% GNPs. The high EMI SE is mainly attributed to the high electrical conductivity, high dielectric loss as well as multiple reflections by aligned GNPs inside the composite. The GNP/B4C composite is demonstrated to be promising candidate of high-temperature microwave EMI shielding material

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