Abstract
Electromagnetic and microwave absorbing properties of the ordered mesoporous carbon (OMC) doped by Ni2O3 nanoparticles absorber was investigated for the first time. A minimum reflection loss (RL) value of −39dB at 10.9GHz and a broad absorption band with the RL values under −10dB is obtained in the whole Ku-band and X-band when the thickness is 2.0mm and 2.8mm, respectively. It showed far more excellent microwave absorbing properties with respect to undoped Ni2O3 OMC/paraffin composite. This phenomenon could be attributed to the strong cooperative effect between Ni2O3 and OMC.
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