Broadband and Tunable High-Performance Microwave Absorption of an Ultralight and Highly Compressible Graphene Foam

The broadband and tunable high‐performance microwave absorption properties of an ultralight and highly compressible graphene foam (GF) are investigated. Simply via physical compression, the microwave absorption performance can be tuned. The qualified bandwidth coverage of 93.8% (60.5 GHz/64.5 GHz) i...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2015-03, Vol.27 (12), p.2049-2053
Main Authors: Zhang, Yi, Huang, Yi, Zhang, Tengfei, Chang, Huicong, Xiao, Peishuang, Chen, Honghui, Huang, Zhiyu, Chen, Yongsheng
Format: Article
Language:English
Subjects:
Absorption, Radiation
Broadband
broadband absorption
Compressibility
Compressing
Compressive properties
Foams
Graphene
graphene foams
Graphite - chemistry
high compressibility
Mechanical Phenomena
Microwave absorption
Microwaves
Oxides - chemistry
Three dimensional
ultralow density materials
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Summary:The broadband and tunable high‐performance microwave absorption properties of an ultralight and highly compressible graphene foam (GF) are investigated. Simply via physical compression, the microwave absorption performance can be tuned. The qualified bandwidth coverage of 93.8% (60.5 GHz/64.5 GHz) is achieved for the GF under 90% compressive strain (1.0 mm thickness). This mainly because of the 3D conductive network.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201405788