Bimetallic MOF-derived composites with broad electromagnetic wave absorption and strong corrosion resistance

被引：69

作者：

Xie, Tianwen ^{[1
,2
]}

Li, Shuaizhen ^{[2
,3
]}

Ma, Lin ^{[2
,3
]}

Li, Jian ^{[1
]}

Pang, Shengyang ^{[1
]}

Hu, Chenglong ^{[1
]}

Zhao, Rida ^{[1
]}

Tang, Sufang ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China

[2] Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China

[3] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

来源：

CARBON | 2023年 / 208卷

关键词：

MOF-derived carbon materials; Bimetallic; Corrosion resistance; Effective absorption bandwidth; METAL-ORGANIC FRAMEWORK; MICROWAVE-ABSORPTION; CARBON COMPOSITES; HIGH-EFFICIENCY; DOPED CARBON; GRAPHENE; MICROSPHERES; HYBRID; BAND; NANOPARTICLES;

D O I：

10.1016/j.carbon.2023.03.014

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

With widespread requirements of electromagnetic wave absorption in 5G era, the advanced wave-absorbing materials with corrosion resistance are urgently required. Herein we have synthesized a bimetallic NiZn-MOFderived composite with broad electromagnetic wave absorption and strong excellent corrosion resistance using a facile hydrothermal method. Based on the composition modulation of the produced Ni/Ni3ZnC0.7 particles, dense and continuous carbon shell can be formed and eventually encapsulate the particles. The resulting composite has an optimum reflection loss of -56.8 dB at 2.40 mm and an effective absorption bandwidth of 5.9 GHz at 2.34 mm. Besides, it remains stable after 6-month immersion in the corrosive mediums, suggesting its long-term corrosion resistance. This work provides a way to prepare MOF-derived wave absorbing materials with anti-corrosion function.

引用

页码：33 / 42

页数：10

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