Synthesis of NiO@C Composites with Microwave Absorption Property

Abstract:

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Carbon-encapsulated NiO (NiO@C) sphere-like composites were synthesized at 170 °C for 12h by a one-pot hydrothermal approach. Ni(Ac)2•4H2O, sucrose, and PEG-400, were selected as a precursor materials. X-ray diffraction analysis (XRD) and scanning electron microscopy image show the products of NiO@C sphere-like composites by the present process. Microwave-absorbing measurement shows the NiO@C composites exhibit good microwave absorbing property. The reflection loss (RL) values of the products are lower than −10 dB in the frequency range of 2–18 GHz with value as low as −40 dB at 2 GHz.

Info:

Periodical:

Advanced Materials Research (Volumes 311-313)

Edited by:

Zhongning Guo

Pages:

76-79

DOI:

10.4028/www.scientific.net/AMR.311-313.76

Citation:

Y. G. Zhang et al., "Synthesis of NiO@C Composites with Microwave Absorption Property", Advanced Materials Research, Vols. 311-313, pp. 76-79, 2011

Online since:

August 2011

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Price:

$35.00

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