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Tailored design ofp-phenylenediamine functionalized graphene decorated with cobalt ferrite for microwave absorption
Ma, Tao; Cui, Yu; Liu, Li; Luan, Hao; Ge, Jianwen; Ju, Pengfei; Meng, Fandi; Wang, Fuhui
2020-08-31
Source PublicationRSC ADVANCES
Volume10Issue:53Pages:31848-31855
AbstractStructural design and componential optimization are two primary directions in the study of microwave absorbers. In this study, a novel cobalt ferrite (CoFe2O4) decorated withp-phenylenediamine (PPD) functionalized graphene (PG/CoFe2O4) binary hybrid with unique hierarchical porous structure was synthesized by a two-step route. The chemical composition, morphology and electromagnetic parameters of the as-prepared sample were investigated successively. The porous CoFe(2)O(4)microspheres with an average diameter of about 160 nm were uniformly anchored on rGO nanosheets. Owing to the uniquely hierarchical porous structure, synergistic effects of dielectric loss (conductive loss, interface and dipole polarization) and magnetic loss (eddy current loss, natural and exchange resonance), the as-prepared sample exhibited excellent microwave absorption (MA) performance. The maximum reflection loss (RLmax) could attain up to -53.3 dB, and the effective absorption bandwidth (EAB) reached 6.6 GHz (11.4-18.0 GHz) at 2.40 mm, which completely covered theK(u)band. These results showed that this functional material can be applied in the MA field.
DOI10.1039/d0ra05546h
WOS IDWOS:000565206400021
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82595
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Ma, Tao,Cui, Yu,Liu, Li,et al. Tailored design ofp-phenylenediamine functionalized graphene decorated with cobalt ferrite for microwave absorption[J]. RSC ADVANCES,2020,10(53):31848-31855.
APA Ma, Tao.,Cui, Yu.,Liu, Li.,Luan, Hao.,Ge, Jianwen.,...&Wang, Fuhui.(2020).Tailored design ofp-phenylenediamine functionalized graphene decorated with cobalt ferrite for microwave absorption.RSC ADVANCES,10(53),31848-31855.
MLA Ma, Tao,et al."Tailored design ofp-phenylenediamine functionalized graphene decorated with cobalt ferrite for microwave absorption".RSC ADVANCES 10.53(2020):31848-31855.
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