Ultrasmall Fe3O4 nanoparticles on MXenes with high microwave absorption performance

被引：96

作者：

Liu, Peijiang ^{[1
,2
]}

Ng, Vincent Ming Hong ^{[2
]}

Yao, Zhengjun ^{[1
]}

Zhou, Jintang ^{[1
]}

Kong, Ling Bing ^{[2
,3
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat & Technol, Nanjing 211100, Jiangsu, Peoples R China

[2] Nanyang Technol Univ, Sch Mat Sci & Engn, 50 Nanyang Ave, Singapore, Singapore

[3] Shenzhen Technol Univ, Coll New Mat & New Energies, Shenzhen, Guangdong, Peoples R China

来源：

MATERIALS LETTERS | 2018年 / 229卷

关键词：

MXene; Nanoparticles; Multilayer structure; Hydrothermal reaction; Microwave absorption; FACILE SYNTHESIS; NANOSHEETS; ABSORBERS;

D O I：

10.1016/j.matlet.2018.07.045

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Herein, 2D hierarchical composites of nano-sized Fe3O4 particles on MXenes (TiO2/Ti3C2Tx/Fe3O4) were synthesized by using a moderate hydrothermal reaction. Electron microscope techniques indicated that the surfaces of MXenes were densely covered with Fe3O4 nanoparticles of similar to 4.9 nm. Microwave absorption capabilities in terms of the maximum reflection loss (R-L) and effective bandwidth were investigated. Specifically, the TiO2/Ti3C2Tx/Fe(3)O(4)( )exhibited a remarkable absorption performance, with a maximum reflectivity of -57.3 dB at 10.1 GHz and a band range below -10 dB to over 9.1-11.1 GHz at a thickness of 1.9 mm. Therefore, our 2D MXene composites are expected to be promising candidates as ultrathin and lightweight absorbing materials. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：286 / 289

页数：4

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