Titanium carbide (MXene) nanosheets as promising microwave absorbers

被引：352
|
作者：
Qing, Yuchang [1 ]
Zhou, Wancheng [1 ]
Luo, Fa [1 ]
Zhu, Dongmei [1 ]
机构：
[1] Northwest Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 14期
基金：
中国国家自然科学基金;
关键词：
Ti3C2; nanosheets; Dielectric properties; Microwave absorption; CARBONYL IRON; 2-DIMENSIONAL NANOSHEETS; DIELECTRIC-PROPERTIES; COMPOSITES; GRAPHENE; ABSORPTION; PERFORMANCE; NANOPARTICLES; EXFOLIATION; LIGHTWEIGHT;
D O I：
10.1016/j.ceramint.2016.07.150
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The electromagnetic properties of Ti3C2 nanosheets, prepared by immersing Ti3AlC2 powders in HF and subsequent ultrasonication, were first investigated in the frequency range of 12.4-18 GHz. The Ti3C2 nanosheet filled composites showed high relative complex permittivity and microwave absorption as compared to those filled with the original Ti3AlC2 powders under the same content. Reflection loss values of the Ti3C2 nanosheets filled composites exceeded - 11 dB (more than 92% absorption) in the frequency range of 12.4-18 GHz with a thickness of 1.4 mm. These results suggest that the Ti3C2 nanosheets with unique dielectric properties are highly promising fillers for dielectric and electromagnetic applications. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：16412 / 16416
页数：5
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