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Synthesis of Hierarchical ZnFe2O4@SiO2@RGO Core–Shell Microspheres for Enhanced Electromagnetic Wave Absorption
Abstract
Hierarchical structured ZnFe 2 O 4 @SiO 2 @RGO core–shell nanocomposites were prepared via a “coating–coating” route, and its structure, composition and electromagnetic properties were characterized. Compared with the binary composites of ZnFe 2 O 4 @SiO 2, the hierarchical ZnFe 2 O 4 @SiO 2 @RGO ternary composites exhibited enhanced electromagnetic wave (EMW) absorption properties in terms of the effective bandwidth and minimum reflection loss (RL). Furthermore, EMW absorption properties of the prepared samples can be tuned by changing RGO content and thickness of SiO 2 layer to reach the best impedance match. The minimum RL of the sample with a thickness of 2.8 mm can reach −43.9 dB at 13.9 GHz, and its effective bandwidth (RL ≤ −10 dB) was up to 6 GHz. Hence, the obtained products can be a new candidate for lightweight EMW absorbing materials.
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Citations
Cited by
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Tarcan, R., Todor-Boer, O., Petrovai, I., Leordean, C., Astilean, S., & Botiz, I. (2020) · Journal of Materials Chemistry C · doi:10.1039/c9tc04916a · Cited by 723
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
Li, Q., Zhang, Z., Qi, L., Liao, Q., Kang, Z., & Zhang, Y. (2019) · Advanced Science · doi:10.1002/advs.201801057 · Cited by 615
Carbon-Based MOF Derivatives: Emerging Efficient Electromagnetic Wave Absorption Agents
Zhang, X., Qiao, J., Jiang, Y., Wang, F., Tian, X., Wang, Z., Wu, L., Liu, W., & Liu, J. (2021) · Nano-Micro Letters · doi:10.1007/s40820-021-00658-8 · Cited by 409
Metadata
- Authors
- Feng, J., Hou, Y., Wang, Y., & Li, L.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-04-11
- Volume
- 9
- Issue
- 16
- Pages
- 14103-14111
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2605180711
- Cited by
- 188
- References
- 0
- FWCI
- 9.10
- Type
- journal article
- Language
- en
- Open access
- closed
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- Feng, J., Hou, Y., Wang, Y., & Li, L. (2017). Synthesis of Hierarchical ZnFe2O4@SiO2@RGO Core–Shell Microspheres for Enhanced Electromagnetic Wave Absorption. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.7b03330
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