Journal
RSC ADVANCES
Volume 8, Issue 5, Pages 2398-2403Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra12616f
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Funding
- National Natural Science Foundation of China [91326102]
- Science and Technology Development Foundation of China Academy of Engineering Physics [2013A0301012]
- Science and Technology Innovation Research Foundation of Institute of Nuclear Physics and Chemistry
- China Postdoctoral Science Foundation [2015M580798, 2017M612996]
- National Key Research and Development Program of China [2017YFA0204600]
- Provincial Science and Technology Program of Hunan [2015JC3041]
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In this work, we demonstrate the enhancement of microwave attenuation capability of Ti3C2 enabled microwave absorbing materials (MAMs) within a frequency range of 2-18 GHz. Ti3C2 nano-sheet/paraffin composites exhibit enhanced microwave absorbing performance with an effective absorbing bandwidth of 6.8 GHz (11.2-18 GHz) at 2 mm and an optimal reflection loss of -40 dB at 7.8 GHz. Moreover, mechanisms for the dielectric responses of the Ti3C2 MXene nanosheets are intensively discussed. Three typical electric polarizations of Ti3C2 are illustrated with the Cole-Cole diagram. The enhanced microwave absorbing properties can be ascribed to the high dielectric loss accompanied with the strong multi-reflections between MXene layers.
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