Journal
MATERIALS LETTERS
Volume 114, Issue -, Pages 52-55Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.09.113
Keywords
Carbon materials; RGO; Nanocomposites; XPS; Magnetic materials; Microwave absorbing
Funding
- Spaceflight Foundation of China [2011XW110001C110001]
- Spaceflight Innovation Foundation of China [2011XT110002C110002]
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Reduced graphene oxide (RGO)/CoFe2O4 composite was synthesized by a one-pot hydrothermal route, which avoided the usage of chemical reducing agent. The reduction of graphene oxide (GO) and the crystallization of CoFe2O4 crystals happened in a one step process by the hydrothermal method. The RGO/CoFe2O4 composite shows remarkably improved electromagnetic performance in comparison with CoFe2O4 NPs and reported pure RGO. Not only a larger reflection loss (-47.9 dB at 12.4 GHz), but also a wider absorption band (less than -10 dB from 12.4 to 17.4 GHz) has been achieved in the frequency range of 2-18 GHz. It is believed that such composites could be used as a candidate microwave absorber. (C) 2013 Elsevier B.V. All rights reserved.
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