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Lightweight spongy bone-like graphene@SiC aerogel composites for high-performance microwave absorption
Jiang, Y; Chen, Y; Liu, YJ; Sui, GX; Sui, GX (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.; Liu, YJ (reprint author), Edith Cowan Univ, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia.
2018-04-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume337Pages:522-531
AbstractLightweight spongy bone-like graphene@silicon carbide (SiC) aerogels were fabricated by the directional freeze-casting of graphene oxide (GO) coated SiC whiskers slurry and thermal reduction of GO@SiC aerogels. The unique hierarchically ordered structure of graphene@SiC aerogels is formed by graphene wrapped SiC whiskers, such a structure possess great advantages such as low density (72 mg/cm(3)) and high microwave absorption performance for aerogels. The minimum reflection loss of typical sample achieves -47.3 dB at 10.52 GHz with a thickness of 3 mm, and the effective bandwidth of reflection loss <= -10 dB can reach 4.7 GHz. These results indicate that the novel graphene@SiC aerogels is an optimal material for high-performance microwave absorption application in aeronautics.; Lightweight spongy bone-like graphene@silicon carbide (SiC) aerogels were fabricated by the directional freeze-casting of graphene oxide (GO) coated SiC whiskers slurry and thermal reduction of GO@SiC aerogels. The unique hierarchically ordered structure of graphene@SiC aerogels is formed by graphene wrapped SiC whiskers, such a structure possess great advantages such as low density (72 mg/cm(3)) and high microwave absorption performance for aerogels. The minimum reflection loss of typical sample achieves -47.3 dB at 10.52 GHz with a thickness of 3 mm, and the effective bandwidth of reflection loss <= -10 dB can reach 4.7 GHz. These results indicate that the novel graphene@SiC aerogels is an optimal material for high-performance microwave absorption application in aeronautics.
description.department[jiang, yue ; sui, guo-xin] univ sci & technol china, sch mat sci & engn, hefei 230000, anhui, peoples r china ; [jiang, yue ; sui, guo-xin] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [chen, yu] beijing inst aeronaut mat, technol res ctr soft mat, beijing 100095, peoples r china ; [liu, yu-jing] edith cowan univ, sch engn, 270 joondalup dr, perth, wa 6027, australia
KeywordElectromagnetic-wave Absorption Silicon-carbide Nanowires Nitrogen-doped Graphene Oxide-films Elevated-temperature Thermal-conductivity Facile Synthesis Spectroscopy Microspheres Transparent
Subject AreaEngineering, Environmental ; Engineering, Chemical
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79407
Collection中国科学院金属研究所
Corresponding AuthorSui, GX (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.; Liu, YJ (reprint author), Edith Cowan Univ, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia.
Recommended Citation
GB/T 7714
Jiang, Y,Chen, Y,Liu, YJ,et al. Lightweight spongy bone-like graphene@SiC aerogel composites for high-performance microwave absorption[J]. CHEMICAL ENGINEERING JOURNAL,2018,337:522-531.
APA Jiang, Y,Chen, Y,Liu, YJ,Sui, GX,Sui, GX ,&Liu, YJ .(2018).Lightweight spongy bone-like graphene@SiC aerogel composites for high-performance microwave absorption.CHEMICAL ENGINEERING JOURNAL,337,522-531.
MLA Jiang, Y,et al."Lightweight spongy bone-like graphene@SiC aerogel composites for high-performance microwave absorption".CHEMICAL ENGINEERING JOURNAL 337(2018):522-531.
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