Journal
CHEMICAL ENGINEERING JOURNAL
Volume 422, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2021.130079
Keywords
Ti3C2Tx; Selenization; Multilayer structure; Electromagnetic wave absorption
Categories
Funding
- National Natural Science Foundation of China [51407134]
- Natural Science Foundation of Shandong Province [ZR2019YQ24]
- Shandong Taishan Scholars Young Expert Program [tsqn202103057]
- China Postdoctoral Science Foundation [2016M590619]
- Natural Science Foundation of Heilongjiang Province [ZD2020E009]
- Qingchuang Talents Induction Program of Shandong Higher Education Institution (Research and Innovation Team of StructuralFunctional Polymer Composites)
- Thousand Talents Plan
- WorldClass University and Discipline
- Taishan Scholar's Advantageous and Distinctive Discipline Program of Shandong Province
- WorldClass Discipline Program of Shandong Province
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Two-dimensional metal carbide or nitride materials are considered as a new class of electromagnetic wave absorbing materials due to their unique multilayer structure and metal-like properties. The NiSe2-CoSe2@C/Ti3C2Tx composites show high electromagnetic wave absorption performance and have potential applications.
Two-dimensional metal carbide or nitride materials are considered as a new class of electromagnetic wave absorbing materials due to their unique multilayer structure and metal-like properties. The NiSe2-CoSe2@C/Ti3C2Tx composites were prepared through a facile hydrothermal treatment and selenization reaction. Distinctly, the maximum reflection loss (RL) is -60.46 dB with the mass fraction of NiSe2-CoSe2@C/Ti3C2Tx of 40 wt% at 2.6 mm. The bandwidth of RL < -10 dB reaches up to 5.68 GHz (10.32-16 GHz). The synergistic mechanism of the multiple scattering and multi-interface polarization effects of NiSe2-CoSe2@C compounded with Ti3C2Tx is reviewed to interpret the significant improvement of electromagnetic wave absorption performance. The results indicate that NiSe2-CoSe2@C/Ti3C2Tx composites have potential applications as realistic electromagnetic wave absorbing materials.
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