Journal
ADVANCED MATERIALS
Volume 27, Issue 12, Pages 2049-2053Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201405788
Keywords
broadband absorption; graphene foams; high compressibility; microwave absorption; ultralow density materials
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Funding
- MOST [2012CB933401, 2014CB643502]
- NSFC [21374050, 91433101, 51472124, 51273093]
- MOE [B12015]
- PCSIRT [IRT1257]
- NSF of Tianjin City [13RCGFGX01121]
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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.
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