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Reduced Graphene Oxide/MXene/FeCoC Nanocomposite Aerogels Derived from Metal–Organic Frameworks toward Efficient Microwave Absorption
Efficient electromagnetic wave absorption (EMA) materials are urgently needed to solve the increasingly serious electromagnetic pollution problems in both the modern military and civil fields. Multidimensional and multielement electromagnetic absorbing materials exhibit enormous potential in EMA app...
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Published in: | ACS applied nano materials 2024-01, Vol.7 (1), p.230-242 |
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container_title | ACS applied nano materials |
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creator | Lei, Dongyi Liu, Chengkan Dong, Chunlei Wang, Sijia Zhang, Peng Li, Ying Liu, Jiaxin Dong, Yuling Zhou, Chunxiang |
description | Efficient electromagnetic wave absorption (EMA) materials are urgently needed to solve the increasingly serious electromagnetic pollution problems in both the modern military and civil fields. Multidimensional and multielement electromagnetic absorbing materials exhibit enormous potential in EMA applications owing to the combination of material and structure advantages. Herein, a three-dimensional (3D) reduced graphene oxide/Ti3C2T x MXene/iron–cobalt alloy carbon (rGO/MXene/FeCoC) nanocomposite aerogel derived from FeCo-ZIF metal–organic frameworks (MOFs) was successfully fabricated by combining freeze-drying and pyrolysis methods. The minimum reflection loss (RLmin) of the optimized rGO/MXene/FeCoC-30% is −61.4 dB and the effective absorption band (EAB, |
doi_str_mv | 10.1021/acsanm.3c04301 |
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Multidimensional and multielement electromagnetic absorbing materials exhibit enormous potential in EMA applications owing to the combination of material and structure advantages. Herein, a three-dimensional (3D) reduced graphene oxide/Ti3C2T x MXene/iron–cobalt alloy carbon (rGO/MXene/FeCoC) nanocomposite aerogel derived from FeCo-ZIF metal–organic frameworks (MOFs) was successfully fabricated by combining freeze-drying and pyrolysis methods. The minimum reflection loss (RLmin) of the optimized rGO/MXene/FeCoC-30% is −61.4 dB and the effective absorption band (EAB, <−10 dB) reaches up to 4.95 GHz with a matching thickness of 1.55 mm. The outstanding EMA performance benefits the excellent impedance matching, the rich multiple reflections and scattering in three-dimensional porous structures, and the favorable dielectric-magnetic synergistic losses endowed by graphene, MXene, and FeCoC nanoparticles. 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The outstanding EMA performance benefits the excellent impedance matching, the rich multiple reflections and scattering in three-dimensional porous structures, and the favorable dielectric-magnetic synergistic losses endowed by graphene, MXene, and FeCoC nanoparticles. 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The minimum reflection loss (RLmin) of the optimized rGO/MXene/FeCoC-30% is −61.4 dB and the effective absorption band (EAB, <−10 dB) reaches up to 4.95 GHz with a matching thickness of 1.55 mm. The outstanding EMA performance benefits the excellent impedance matching, the rich multiple reflections and scattering in three-dimensional porous structures, and the favorable dielectric-magnetic synergistic losses endowed by graphene, MXene, and FeCoC nanoparticles. The successful construction of the multicomponent rGO/MXene/FeCoC nanocomposite aerogel provides a prospective direction for the development of high-efficient electromagnetic absorbing materials.</abstract><pub>American Chemical Society</pub><doi>10.1021/acsanm.3c04301</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0002-1537-3569</orcidid></addata></record> |
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title | Reduced Graphene Oxide/MXene/FeCoC Nanocomposite Aerogels Derived from Metal–Organic Frameworks toward Efficient Microwave Absorption |
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