TY - JOUR
T1 - MIL-53(Fe) derived MCC/rGO nanoparticles with excellent broadband microwave absorption properties
AU - Ding, Ling
AU - Huang, Ying
AU - Xu, Zhipeng
AU - Yan, Jing
AU - Liu, Xudong
AU - Li, Tiehu
AU - Liu, Panbo
N1 - Publisher Copyright:
© 2020 Elsevier Ltd
PY - 2020/10
Y1 - 2020/10
N2 - High efficient MIL-53(Fe) derived γ-Fe2O3 coated by carbon framework (MCC for short) and compound with reduced graphene oxide for broadband microwave absorption is prepared by facile hydrothermal method and gradient temperature calcination. The sheets/bowknot-shaped nanoparticles structure have better microwave absorption performance via uniting magnetic γ-Fe2O3 core, carbon skeleton and rGO sheets. Binary material calcined at 600°C has an optimal RL value −62.53dB under 2.66mm thickness. In addition, the ternary MCC/rGO of 700°C calcination has better performance with an 11.68GHz effective absorption bandwidth (from 6.32GHz to 18GHz) of a single thickness of 3.60mm, and a maximum RL of −43.13dB at 3.25mm thickness. The MOF framework enhances particle stability and internal scattering, while graphene provides a larger absorption surface, coupled with the good impedance matching rooted in suitable permittivity and permeability, the material is an ideal new type of absorbing material.
AB - High efficient MIL-53(Fe) derived γ-Fe2O3 coated by carbon framework (MCC for short) and compound with reduced graphene oxide for broadband microwave absorption is prepared by facile hydrothermal method and gradient temperature calcination. The sheets/bowknot-shaped nanoparticles structure have better microwave absorption performance via uniting magnetic γ-Fe2O3 core, carbon skeleton and rGO sheets. Binary material calcined at 600°C has an optimal RL value −62.53dB under 2.66mm thickness. In addition, the ternary MCC/rGO of 700°C calcination has better performance with an 11.68GHz effective absorption bandwidth (from 6.32GHz to 18GHz) of a single thickness of 3.60mm, and a maximum RL of −43.13dB at 3.25mm thickness. The MOF framework enhances particle stability and internal scattering, while graphene provides a larger absorption surface, coupled with the good impedance matching rooted in suitable permittivity and permeability, the material is an ideal new type of absorbing material.
KW - Broadband absorption
KW - Metal-organic framework
KW - Microwave absorption
KW - Reduced graphene oxide
UR - https://www.scopus.com/pages/publications/85086442033
U2 - 10.1016/j.coco.2020.100362
DO - 10.1016/j.coco.2020.100362
M3 - 文章
AN - SCOPUS:85086442033
SN - 2452-2139
VL - 21
JO - Composites Communications
JF - Composites Communications
M1 - 100362
ER -