The electromagnetic property of chemically reduced graphene oxide and its application as microwave absorbing material

The residual defects and groups in chemically reduced graphene oxide cannot only improve the impedance match characteristic and prompt energy transition from contiguous states to Fermi level, but also introduce defect polarization relaxation and groups' electronic dipole relaxation, which are a...

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Published inApplied physics letters Vol. 98; no. 7; pp. 072906 - 072906-3
Main Authors Wang, Chao, Han, Xijiang, Xu, Ping, Zhang, Xiaolin, Du, Yunchen, Hu, Surong, Wang, Jingyu, Wang, Xiaohong
Format Journal Article
LanguageEnglish
Published American Institute of Physics 14.02.2011
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Summary:The residual defects and groups in chemically reduced graphene oxide cannot only improve the impedance match characteristic and prompt energy transition from contiguous states to Fermi level, but also introduce defect polarization relaxation and groups' electronic dipole relaxation, which are all in favor of electromagnetic wave penetration and absorption. The chemically reduced graphene oxide shows enhanced microwave absorption compared with graphite and carbon nanotubes, and can be expected to display better absorption than high quality graphene, exhibiting a promising prospect as microwave absorbing material.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3555436