A reduced graphene oxide/bi-MOF-derived carbon composite as high-performance microwave absorber with tunable dielectric properties

Xiaomeng Fan; Ao Zhang; Minghang Li; Hailong Xu; Jimei Xue; Fang Ye; Laifei Cheng

doi:10.1007/s10854-020-03729-5

A reduced graphene oxide/bi-MOF-derived carbon composite as high-performance microwave absorber with tunable dielectric properties

Xiaomeng Fan, Ao Zhang, Minghang Li, Hailong Xu, Jimei Xue, Fang Ye, Laifei Cheng

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

In this paper, a reduced graphene oxide/bi-MOF-derived carbon (RGO/bi-MDPC) composite is studied as high-performance microwave absorber with tunable dielectric properties. The dielectric parameter of the RGO/bi-MDPC could be optimized by changing annealing temperature. The optimal sample presents the excellent microwave absorbing performance with the effective absorption bandwidth covering the whole X band with a thickness of 3.4 mm while the minimum reflection coefficient reaches − 33.8 dB at 8.8 GHz with the thickness of 3.7 mm. The specific porous structure, residual oxygen functional groups, and abundant interface contribute to enhanced microwave absorption performance. This work indicates that the bi-MOF-derived porous carbon could be used as nanostructured phase to improve the microwave absorptive capacity of RGO composites.

Original language	English
Pages (from-to)	11774-11783
Number of pages	10
Journal	Journal of Materials Science: Materials in Electronics
Volume	31
Issue number	14
DOIs	https://doi.org/10.1007/s10854-020-03729-5
State	Published - 1 Jul 2020

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title = "A reduced graphene oxide/bi-MOF-derived carbon composite as high-performance microwave absorber with tunable dielectric properties",

abstract = "In this paper, a reduced graphene oxide/bi-MOF-derived carbon (RGO/bi-MDPC) composite is studied as high-performance microwave absorber with tunable dielectric properties. The dielectric parameter of the RGO/bi-MDPC could be optimized by changing annealing temperature. The optimal sample presents the excellent microwave absorbing performance with the effective absorption bandwidth covering the whole X band with a thickness of 3.4 mm while the minimum reflection coefficient reaches − 33.8 dB at 8.8 GHz with the thickness of 3.7 mm. The specific porous structure, residual oxygen functional groups, and abundant interface contribute to enhanced microwave absorption performance. This work indicates that the bi-MOF-derived porous carbon could be used as nanostructured phase to improve the microwave absorptive capacity of RGO composites.",

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T1 - A reduced graphene oxide/bi-MOF-derived carbon composite as high-performance microwave absorber with tunable dielectric properties

AU - Fan, Xiaomeng

AU - Zhang, Ao

AU - Li, Minghang

AU - Xu, Hailong

AU - Xue, Jimei

AU - Ye, Fang

AU - Cheng, Laifei

PY - 2020/7/1

Y1 - 2020/7/1

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AB - In this paper, a reduced graphene oxide/bi-MOF-derived carbon (RGO/bi-MDPC) composite is studied as high-performance microwave absorber with tunable dielectric properties. The dielectric parameter of the RGO/bi-MDPC could be optimized by changing annealing temperature. The optimal sample presents the excellent microwave absorbing performance with the effective absorption bandwidth covering the whole X band with a thickness of 3.4 mm while the minimum reflection coefficient reaches − 33.8 dB at 8.8 GHz with the thickness of 3.7 mm. The specific porous structure, residual oxygen functional groups, and abundant interface contribute to enhanced microwave absorption performance. This work indicates that the bi-MOF-derived porous carbon could be used as nanostructured phase to improve the microwave absorptive capacity of RGO composites.

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A reduced graphene oxide/bi-MOF-derived carbon composite as high-performance microwave absorber with tunable dielectric properties

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