Preparation and microwave absorption properties of asphalt carbon coated reduced graphene oxide/magnetic CoFe2O4 hollow particles modified multi-wall carbon nanotube composites

被引：76

作者：

Zhang, Kaichuang ^{[1
]}

Gao, Xinbao ^{[1
]}

Zhang, Qian ^{[1
]}

Li, Tianpeng ^{[1
]}

Chen, Hao ^{[1
]}

Chen, Xuefang ^{[2
]}

机构：

[1] Shijiazhuang Mech Engn Coll, Shijiazhuang 050003, Hebei, Peoples R China

[2] Northwestern Polytech Univ, Sch Sci, Xian 710072, Shaanxi, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 723卷

关键词：

Reduced graphene oxide; Magnetic CoFe2O4 hollow particles; Modified MWCNTs; Asphalt carbon; Microwave absorption; HYDROTHERMAL SYNTHESIS; TERNARY COMPOSITES; ANODE MATERIALS; PERFORMANCE; FABRICATION; OXIDE; HYBRID; NANOCOMPOSITES; NANOPARTICLES; POLYANILINE;

D O I：

10.1016/j.jallcom.2017.06.327

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Design lightweight hybrid structured, magnetic CoFe2O4 hollow particles modified multi-wall carbon nanotubes (MWCNTs) with reduced graphene oxide (RGO) sheets to improve microwave shielding. Carbon coated reduced graphene oxide/magnetic CoFe2O4 hollow particles modified multi-wall carbon nanotube composites were prepared, which exhibited significant microwave absorption performance. As an absorber, the composites with a filler loading of 20 wt% exhibited significant microwave absorption properties due to the special nanostructure, the extra void space, the high surface area and the synergistic effect. The maximum reflection loss reaches -46.8 dB with a thickness of 1.6 mm at 11.6 GHz. The bandwidth corresponding to the reflection loss below -10 dB is 13.1 GHz (4.9-18 GHz) with thickness in the range of 1.2 mm-4 mm. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：912 / 921

页数：10

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