In-situ growth of MAX phase coatings on carbonised wood and their terahertz shielding properties
点击次数：发表时间：2025-05-23
- 所属单位：[1]Univ Sci & Technol, Sch Shaanxi, Xian 710021, Peoples R China;[2]Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Engn Lab Adv Energy Mat, Ningbo 315201, Peoples R China;[3]Qianwan Inst CNiTECH, Zhongchuangyi Rd, Ningbo 315336, Peoples R China;[4]Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Sch Elect Sci & Engn, Chengdu 610054, Peoples R China;[5]Northwestern Polytech Univ, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
- 发表刊物：JOURNAL OF ADVANCED CERAMICS
- 关键字：MAX phases; biomimics; electromagnetic interference (EMI); terahertz shielding
- 摘要：Electromagnetic interference (EMI) shielding materials have received considerable attention in recent years. The EMI shielding effectiveness (SE) of materials depends on not only their composition but also their microstructures. Among various microstructure prototypes, porous structures provide the advantages of low density and high terahertz wave absorption. In this study, by using carbonised wood (CW) as a template, 1-mm-thick MAX@CW composites (Ti2AlC@CW, V2AlC@CW, and Cr2AlC@CW) with a porous structure were fabricated through the molten salt method. The MAX@CW composites led to the formation of a conductive network and multilayer interface, which resulted in improved EMI SE. The average EMI SE values of the three MAX@CW composites were > 45 dB in the frequency of 0.6-1.6 THz. Among the composites, V2AlC@CW exhibited the highest average EMI SE of 55 dB.
- 文献类型：Article
- 卷号：10
- 期号：6
- 页面范围：1291-1298
- ISSN号：2226-4108
- 是否译文：否
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- 性别：男
- 职称：教授
- 毕业院校：电子科技大学
- 学历：博士研究生毕业
- 学位：工学博士学位
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- 2012 当选： 新世纪优秀人才计划
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