Facile One-Step Hydrothermal Method to Fabricate NMZ/GO Composites for High-Performance Microwave-Absorption Applications

被引：1

作者：

Dong, Hongkun ^{[1
]}

Guo, Jianhua ^{[1
,2
]}

Liu, Wangguan ^{[1
]}

Liu, Zehong ^{[3
]}

Lv, Shixuan ^{[1
,2
]}

Jiang, Xinghua ^{[3
]}

机构：

[1] South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Peoples R China

[2] Zhongshan Inst Modern Ind Technol SCUT, Zhongshan 528400, Peoples R China

[3] South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Peoples R China

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2023年 / 52卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Ni-Mn-Zn ferrite; carbon nanomaterial; microwave absorption; mechanism; ELECTROMAGNETIC-WAVE ABSORPTION; ELECTRICAL-PROPERTIES; GRAPHENE; NANOPARTICLES; ENHANCEMENT; RELAXATION; COMPLEX;

D O I：

10.1007/s11664-023-10648-8

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

High-performance microwave absorption (MA) materials are considered to be an effective solution for the increasing electromagnetic pollution. Here, Ni0.7Mn0.15Zn0.15Fe2O4/graphene oxide (GO) (NMZ/GO) composites were prepared by a facile one-step hydrothermal method incorporating magnetic NMZ nanoparticles anchored on GO nanosheets, resulting in an enhanced microwave absorption performance because of the complex magnetic and dielectric losses for NMZ/GO composites. The addition of GO nanosheets can greatly enhance the microwave absorption capabilities when compared to pure NMZ ferrites. Notably, the NMZ/GO (11:1) composite exhibits an enhanced MA performance with a minimum reflection loss (RLmin) of - 51.39 dB at a frequency of 6.44 GHz and a maximum effective absorption bandwidth (EAB(max)) of 5.1 GHz. Furthermore, the microwave-absorption mechanism for NMZ/GO composites was revealed, indicating that they are potential high-performance materials for microwave-absorption applications.

引用

页码：6460 / 6472

页数：13

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