期刊
CERAMICS INTERNATIONAL
卷 42, 期 14, 页码 15701-15708出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2016.07.028
关键词
Nanocomposites; SnS2 semiconductor; Ferrites; RGO; EM wave absorption
资金
- Spaceflight Foundation of China [2014-HT-XGD]
- Spaceflight Innovation Foundation of China [2014KC11023]
The reduced graphene oxide (RGO)/CoFe2O4/SnS2 composites have been successfully synthesized by twostep hydrothermal processes. TEM results show that CoFe2O4 and SnS2 nanoparticles with both diameters about 5-10 nm are well dispersed on the surface of graphene. Compared with RGO/CoFe2O4 composites, the as-prepared RGO/CoFe2O4/SnS2 composites exhibit excellent electromagnetic (EM) wave absorption properties in terms of both the maximum reflection loss and the absorption bandwidth. The maximum reflection loss of RGO/CoFe2O4/SnS2 composites is -54.4 dB at 16.5 GHz with thickness of only 1.6 mm and the absorption bandwidth with the reflection loss below -10 dB is up to 12.0 GHz (from 6.0 to 18.0 GHz) with a thickness in the range of 1.5-4.0 mm. And especially, they cover the whole X band (8.0-12.0 GHz), which could be used for military radar and direct broadcast satellite (DBS). (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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