An Equivalent Substitute Strategy for Constructing 3D Ordered Porous Carbon Foams and Their Electromagnetic Attenuation Mechanism
Abstract Three-dimensional (3D) ordered porous carbon is generally believed to be a promising electromagnetic wave (EMW) absorbing material. However, most research works targeted performance improvement of 3D ordered porous carbon, and the specific attenuation mechanism is still ambiguous. Therefore...
| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2022-08-01
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| Series: | Nano-Micro Letters |
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| Online Access: | https://doi.org/10.1007/s40820-022-00900-x |
| _version_ | 1811315456513933312 |
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| author | Meng Zhang Hailong Ling Ting Wang Yingjing Jiang Guanying Song Wen Zhao Laibin Zhao Tingting Cheng Yuxin Xie Yuying Guo Wenxin Zhao Liying Yuan Alan Meng Zhenjiang Li |
| author_facet | Meng Zhang Hailong Ling Ting Wang Yingjing Jiang Guanying Song Wen Zhao Laibin Zhao Tingting Cheng Yuxin Xie Yuying Guo Wenxin Zhao Liying Yuan Alan Meng Zhenjiang Li |
| author_sort | Meng Zhang |
| collection | DOAJ |
| description | Abstract Three-dimensional (3D) ordered porous carbon is generally believed to be a promising electromagnetic wave (EMW) absorbing material. However, most research works targeted performance improvement of 3D ordered porous carbon, and the specific attenuation mechanism is still ambiguous. Therefore, in this work, a novel ultra-light egg-derived porous carbon foam (EDCF) structure has been successfully constructed by a simple carbonization combined with the silica microsphere template-etching process. Based on an equivalent substitute strategy, the influence of pore volume and specific surface area on the electromagnetic parameters and EMW absorption properties of the EDCF products was confirmed respectively by adjusting the addition content and diameter of silica microspheres. As a primary attenuation mode, the dielectric loss originates from the comprehensive effect of conduction loss and polarization loss in S-band and C band, and the value is dominated by polarization loss in X band and Ku band, which is obviously greater than that of conduction loss. Furthermore, in all samples, the largest effective absorption bandwidth of EDCF-3 is 7.12 GHz under the thickness of 2.13 mm with the filling content of approximately 5 wt%, covering the whole Ku band. Meanwhile, the EDCF-7 sample with optimized pore volume and specific surface area achieves minimum reflection loss (RLmin) of − 58.08 dB at 16.86 GHz while the thickness is 1.27 mm. The outstanding research results not only provide a novel insight into enhancement of EMW absorption properties but also clarify the dominant dissipation mechanism for the porous carbon-based absorber from the perspective of objective experiments. |
| first_indexed | 2024-04-13T11:30:46Z |
| format | Article |
| id | doaj.art-5d3c2043ac414b7e87efa477d4877cc6 |
| institution | Directory Open Access Journal |
| issn | 2311-6706 2150-5551 |
| language | English |
| last_indexed | 2024-04-13T11:30:46Z |
| publishDate | 2022-08-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nano-Micro Letters |
| spelling | doaj.art-5d3c2043ac414b7e87efa477d4877cc62022-12-22T02:48:34ZengSpringerOpenNano-Micro Letters2311-67062150-55512022-08-0114112110.1007/s40820-022-00900-xAn Equivalent Substitute Strategy for Constructing 3D Ordered Porous Carbon Foams and Their Electromagnetic Attenuation MechanismMeng Zhang0Hailong Ling1Ting Wang2Yingjing Jiang3Guanying Song4Wen Zhao5Laibin Zhao6Tingting Cheng7Yuxin Xie8Yuying Guo9Wenxin Zhao10Liying Yuan11Alan Meng12Zhenjiang Li13College of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyState Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, College of Chemical Engineering in Gaomi Campus, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyState Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, College of Chemical Engineering in Gaomi Campus, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyState Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, College of Chemical Engineering in Gaomi Campus, Qingdao University of Science and TechnologyCollege of Materials Science and Engineering, College of Electromechanical Engineering, Qingdao University of Science and TechnologyAbstract Three-dimensional (3D) ordered porous carbon is generally believed to be a promising electromagnetic wave (EMW) absorbing material. However, most research works targeted performance improvement of 3D ordered porous carbon, and the specific attenuation mechanism is still ambiguous. Therefore, in this work, a novel ultra-light egg-derived porous carbon foam (EDCF) structure has been successfully constructed by a simple carbonization combined with the silica microsphere template-etching process. Based on an equivalent substitute strategy, the influence of pore volume and specific surface area on the electromagnetic parameters and EMW absorption properties of the EDCF products was confirmed respectively by adjusting the addition content and diameter of silica microspheres. As a primary attenuation mode, the dielectric loss originates from the comprehensive effect of conduction loss and polarization loss in S-band and C band, and the value is dominated by polarization loss in X band and Ku band, which is obviously greater than that of conduction loss. Furthermore, in all samples, the largest effective absorption bandwidth of EDCF-3 is 7.12 GHz under the thickness of 2.13 mm with the filling content of approximately 5 wt%, covering the whole Ku band. Meanwhile, the EDCF-7 sample with optimized pore volume and specific surface area achieves minimum reflection loss (RLmin) of − 58.08 dB at 16.86 GHz while the thickness is 1.27 mm. The outstanding research results not only provide a novel insight into enhancement of EMW absorption properties but also clarify the dominant dissipation mechanism for the porous carbon-based absorber from the perspective of objective experiments.https://doi.org/10.1007/s40820-022-00900-xPorous carbon foamElectromagnetic wave absorptionAdjustable pore structurePolarization lossAttenuation mechanism |
| spellingShingle | Meng Zhang Hailong Ling Ting Wang Yingjing Jiang Guanying Song Wen Zhao Laibin Zhao Tingting Cheng Yuxin Xie Yuying Guo Wenxin Zhao Liying Yuan Alan Meng Zhenjiang Li An Equivalent Substitute Strategy for Constructing 3D Ordered Porous Carbon Foams and Their Electromagnetic Attenuation Mechanism Nano-Micro Letters Porous carbon foam Electromagnetic wave absorption Adjustable pore structure Polarization loss Attenuation mechanism |
| title | An Equivalent Substitute Strategy for Constructing 3D Ordered Porous Carbon Foams and Their Electromagnetic Attenuation Mechanism |
| title_full | An Equivalent Substitute Strategy for Constructing 3D Ordered Porous Carbon Foams and Their Electromagnetic Attenuation Mechanism |
| title_fullStr | An Equivalent Substitute Strategy for Constructing 3D Ordered Porous Carbon Foams and Their Electromagnetic Attenuation Mechanism |
| title_full_unstemmed | An Equivalent Substitute Strategy for Constructing 3D Ordered Porous Carbon Foams and Their Electromagnetic Attenuation Mechanism |
| title_short | An Equivalent Substitute Strategy for Constructing 3D Ordered Porous Carbon Foams and Their Electromagnetic Attenuation Mechanism |
| title_sort | equivalent substitute strategy for constructing 3d ordered porous carbon foams and their electromagnetic attenuation mechanism |
| topic | Porous carbon foam Electromagnetic wave absorption Adjustable pore structure Polarization loss Attenuation mechanism |
| url | https://doi.org/10.1007/s40820-022-00900-x |
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