Journal
NANOTECHNOLOGY
Volume 30, Issue 44, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab35fa
Keywords
biomass-derived rGO; dielectric loss; electromagnetic wave absorbing; absorption bandwidth
Funding
- National Natural Science Foundation of China [51272110, 51772160]
- Innovation Fund Project for Graduate Student of Qiqihar University [YJSCX2018-037X]
- Shenzhen Peacock Innovation Project [KQJSCX20170327151307811]
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Rational structure design of microwave absorption material is extremely significant from the perspectives of enhancing the electromagnetic microwave absorption (EMA) performance and adapting to cost-effective and sustainable industrial applications. Here, reduced graphene oxides (rGOs) with curl structures derived from corn stover are applied for the absorption of electromagnetic waves. The results suggest that biomass-rGO show the maximum reflection loss of -51.7 dB and an effective absorption bandwidth 13.5 GHz (4.5-18 GHz) at a thickness of 3.25 mm, implying the unique critical role of the microstructure in adjusting the EMA performance. Moreover, the successful conversion of waste biomass into widely used electromagnetic wave absorbing materials could solve the problems of environmental pollution caused by straw burning.
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