Synthesis and microwave absorption enhancement of NiO nanosheets@SiO 2@graphene hierarchical structures

Lei Wang, Ying Huang, Xiao Ding, Panbo Liu, Meng Zong

科研成果: 期刊稿件文章同行评审

24 引用 (Scopus)

摘要

Three kinds of NiO@SiO2@graphene hierarchical structures, NiO nanoparticles@SiO2@graphene, NiO nanosheets@SiO2@graphene and NiO nanoflowers@SiO2@graphene composites were successfully fabricated by multi-step routes. The measured electromagnetic parameters show that NiO nanosheets@SiO2@graphene composites exhibit enhanced microwave absorption performance with wide absorption bandwidth as compared to NiO nanoparticles@SiO2@graphene and NiO nanoflowers@SiO 2@graphene. The maximum reflection loss can reach -43.8 dB at 11.6 GHz with a thickness of 3 mm, and the absorption bandwidth with the reflection loss below -10 dB is 5.8 GHz (from 9.2 to 15 GHz). In addition, the mechanisms for the enhanced absorption performance are also discussed.

源语言英语
页(从-至)23290-23295
页数6
期刊RSC Advances
3
45
DOI
出版状态已出版 - 7 12月 2013

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