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Microstructure Evolution at High Temperatures for Co-MOF-74 as High-Efficiency Electromagnetic Absorbers

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Abstract:

Increasing demands of microwave absorbents require new approaches to enhance the absorbing performance. Metal−organic frameworks (MOFs) could be developed as effective absorbers owing to their outstanding features including intrinsic porosity and high specific area. Herein, novel nanostructured Co-MOF-74 composites have been successfully fabricated via a simple solvothermal method. Excellent absorption performance was achieved for the composite with a minimum reflection loss (RL) of −25.5 dB at 2.5 mm and a broad absorption bandwidth (RL < −10 dB) of 6.7 GHz. Such absorber could be developed as lightweight and high-efficiency absorbing materials, and this work provides inspiration for the design of advanced absorbers with strong dissipation capacity and broad effective bandwidth.

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Nano Hybrids and Composites Vol. 34 View Preview

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Periodical:

Nano Hybrids and Composites (Volume 34)

Pages:

29-35

DOI:

https://doi.org/10.4028/p-1x0wn2

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Online since:

February 2022

Authors:

Yue Zhang, Tao Li, Shi Yu Tang, Xin Yue Xie, Ru Zeng Liang, Xiao Xiao Chu*

Keywords:

Co-MOF-74 Precursor, Electromagnetic Performance, Metal Organic Frameworks, Microwave Absorption

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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