Direct one-step synthesis of CoFex@Co@C hybrids derived from a metal organic framework for a lightweight and high-performance microwave absorber
Direct one-step synthesis of CoFex@Co@C hybrids derived from a metal organic framework for a lightweight and high-performance microwave absorber
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直接一步合成源自金属有机框架的CoFex@Co@C杂化物,用于轻质高性能微波吸收剂
DOI:
10.1088/1361-6528/ab5620
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发表时间:
2019-11
期刊:
影响因子:
3.5
通讯作者:
Zhongyuan Liu
中科院分区:
文献类型:
--
作者:
Bochong Wang;Wenjun Ruan;Congpu Mu;Anmin Nie;Fusheng Wen;Jianyong Xiang;Zhongyuan Liu
It involves invariably strong expectations and a tough challenge to explore lightweight microwave absorption materials with high efficiency and agile tenability. Here, we successfully synthesized CoFex@Co nanoparticles embedded into a carbon matrix that was directly derived from the metal organic frameworks (MOFs) via a facile method. Benefiting from the unique multi-dimensional construction and synergistic effects of carbon material with magnetic nanoparticles in both the electromagnetic energy loss and impedance matching, CoFe0.26@Co@C composite exhibited excellent microwave absorption performance, which showed a minimum reflection loss of −62.5 dB at the thickness of 1.5 mm and a broad absorption bandwidth of 14.7 GHz exceeding −10 dB at the thickness range of 1.4 to 5 mm. This study not only provides a reference for future preparation of MOF-based lightweight microwave absorption materials, but also offers the possible application owing to its simple procedure and outstanding absorption properties.
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影响因子:
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作者:
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通讯作者:
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DOI:
10.1002/9783527659647.ch10
发表时间:
2013-06
期刊:
--
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