The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.
Graphene-wrapped ZnO hollow spheres with enhanced electromagnetic wave absorption properties
Abstract
Graphene-wrapped ZnO hollow spheres were synthesized by a two-step process, which combined a hydrothermal reaction with surface modification. The experimental results show that reduced graphene oxide sheets adhere entirely to the surface of the ZnO hollow spheres consisting of nanoparticles. The unique structure effectively decreases the density of the composite without sacrificing the contact between graphene and the nanoparticles. Different mass ratios of graphene to ZnO hollow spheres mixed in a paraffin wax matrix (50 wt%) were prepared to investigate the electromagnetic wave absorption properties in the X-band region. When the mass ratio of graphene oxide to ZnO is 12 : 88, the composite exhibits a maximum absorption of −45.05 dB at 9.7 GHz with a sample thickness of only 2.2 mm. The fundamental mechanism based on electrical conductivity and the polarization between the graphene sheets and ZnO nanoparticles is discussed. The hierarchical structure of graphene-wrapped ZnO hollow spheres exhibits a promising designable approach to lightweight electromagnetic wave absorbing materials.
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Zeng, X., Cheng, X., Yu, R., & Stucky, G. D. (2020) · Carbon · doi:10.1016/j.carbon.2020.07.028 · Cited by 991
Xia, Y., Gao, W., & Gao, C. (2022) · Advanced Functional Materials · doi:10.1002/adfm.202204591 · Cited by 734
A review on carbon/magnetic metal composites for microwave absorption
Wang, B., Wu, Q., Fu, Y., & Liu, T. (2021) · Journal of Materials Science & Technology · doi:10.1016/j.jmst.2020.12.078 · Cited by 616
Toward the Application of High Frequency Electromagnetic Wave Absorption by Carbon Nanostructures
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Self-citation
Metadata
- Authors
- Han, M., Yin, X., Kong, L., Li, M., Duan, W., Zhang, L., & Cheng, L.
- Venue
- J. Mater. Chem. A
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2014-08-13
- Volume
- 2
- Issue
- 39
- Pages
- 16403-16409
- ISSN
- 2050-7488 (ISSN-L)
- 2050-7496
- OpenAlex
- W2086588390
- Cited by
- 566
- References
- 39
- FWCI
- 16.83
- Type
- journal article
- Language
- en
- Open access
- closed
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- Han, M., Yin, X., Kong, L., Li, M., Duan, W., Zhang, L., & Cheng, L. (2014). Graphene-wrapped ZnO hollow spheres with enhanced electromagnetic wave absorption properties. J. Mater. Chem. A. https://doi.org/10.1039/c4ta03033h
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