Electromagnetic absorption enhancing mechanisms by modified biochar derived from : a combined experimental and simulation study
Although the rapid advances of wireless technologies and electronic devices largely improve the quality of life, electromagnetic (EM) pollution increases the risk of exposure to EM radiation. Developing high-efficiency absorbers with a rational structure and wideband characteristics is of great sign...
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Published in | Nanoscale Vol. 14; no. 39; pp. 1458 - 14519 |
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Main Authors | , , , , , , , , |
Format | Journal Article |
Published |
13.10.2022
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Online Access | Get full text |
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Abstract | Although the rapid advances of wireless technologies and electronic devices largely improve the quality of life, electromagnetic (EM) pollution increases the risk of exposure to EM radiation. Developing high-efficiency absorbers with a rational structure and wideband characteristics is of great significance to eliminate radiation pollution. Herein,
Enteromorpha prolifera
derived biochar which would provide a suitable surface and multiple polarizations has been prepared as the supporter to anchor nanoparticles. In addition, theoretical simulation results further confirm that radar wave scattering could be largely inhibited after coating with absorbing materials. As a result, the hybrid absorbers achieve remarkable EM absorption properties attributed to the synergistic magnetic-dielectric loss. Elaborate compositional and structural characterization studies indicate that the absorber has a large specific area and numerous polarization centers, which would make full use of waste biomass as light weight and broadband high-performance EM absorption materials.
We proposed a facile strategy of extracting biochar from
Enteromorpha prolifera
, which provides a suitable surface and multiple polarizations, and thereby contributes to the target optimized impedance matching degree and strong energy dissipation. |
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AbstractList | Although the rapid advances of wireless technologies and electronic devices largely improve the quality of life, electromagnetic (EM) pollution increases the risk of exposure to EM radiation. Developing high-efficiency absorbers with a rational structure and wideband characteristics is of great significance to eliminate radiation pollution. Herein,
Enteromorpha prolifera
derived biochar which would provide a suitable surface and multiple polarizations has been prepared as the supporter to anchor nanoparticles. In addition, theoretical simulation results further confirm that radar wave scattering could be largely inhibited after coating with absorbing materials. As a result, the hybrid absorbers achieve remarkable EM absorption properties attributed to the synergistic magnetic-dielectric loss. Elaborate compositional and structural characterization studies indicate that the absorber has a large specific area and numerous polarization centers, which would make full use of waste biomass as light weight and broadband high-performance EM absorption materials.
We proposed a facile strategy of extracting biochar from
Enteromorpha prolifera
, which provides a suitable surface and multiple polarizations, and thereby contributes to the target optimized impedance matching degree and strong energy dissipation. |
Author | Meng, Yubo Hao, Zhiwang Bian, Chao Liu, Jimei Hou, Wenjie He, Xinliang Wang, Xiaobin Liu, Dong Yang, Naitao |
AuthorAffiliation | School of Computer Science and Technology Northwestern Polytechnical University School of Chemistry and Chemical Engineering Shandong University of Technology |
AuthorAffiliation_xml | – name: School of Chemistry and Chemical Engineering – name: Shandong University of Technology – name: Northwestern Polytechnical University – name: School of Computer Science and Technology |
Author_xml | – sequence: 1 givenname: Zhiwang surname: Hao fullname: Hao, Zhiwang – sequence: 2 givenname: Jimei surname: Liu fullname: Liu, Jimei – sequence: 3 givenname: Xinliang surname: He fullname: He, Xinliang – sequence: 4 givenname: Yubo surname: Meng fullname: Meng, Yubo – sequence: 5 givenname: Xiaobin surname: Wang fullname: Wang, Xiaobin – sequence: 6 givenname: Dong surname: Liu fullname: Liu, Dong – sequence: 7 givenname: Naitao surname: Yang fullname: Yang, Naitao – sequence: 8 givenname: Wenjie surname: Hou fullname: Hou, Wenjie – sequence: 9 givenname: Chao surname: Bian fullname: Bian, Chao |
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Title | Electromagnetic absorption enhancing mechanisms by modified biochar derived from : a combined experimental and simulation study |
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