Titanium carbide (MXene) nanosheets as promising microwave absorbers

Yuchang Qing; Wancheng Zhou; Fa Luo; Dongmei Zhu

doi:10.1016/j.ceramint.2016.07.150

Titanium carbide (MXene) nanosheets as promising microwave absorbers

Yuchang Qing, Wancheng Zhou, Fa Luo, Dongmei Zhu

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

363 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	16412-16416
Number of pages	5
Journal	Ceramics International
Volume	42
Issue number	14
DOIs	https://doi.org/10.1016/j.ceramint.2016.07.150
State	Published - 1 Nov 2016

Keywords

Dielectric properties
Microwave absorption
TiC nanosheets

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10.1016/j.ceramint.2016.07.150

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title = "Titanium carbide (MXene) nanosheets as promising microwave absorbers",

abstract = "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.",

keywords = "Dielectric properties, Microwave absorption, TiC nanosheets",

author = "Yuchang Qing and Wancheng Zhou and Fa Luo and Dongmei Zhu",

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T1 - Titanium carbide (MXene) nanosheets as promising microwave absorbers

AU - Qing, Yuchang

AU - Zhou, Wancheng

AU - Luo, Fa

AU - Zhu, Dongmei

PY - 2016/11/1

Y1 - 2016/11/1

N2 - 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.

AB - 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.

KW - Dielectric properties

KW - Microwave absorption

KW - TiC nanosheets

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DO - 10.1016/j.ceramint.2016.07.150

M3 - 文章

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SP - 16412

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JO - Ceramics International

JF - Ceramics International

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Titanium carbide (MXene) nanosheets as promising microwave absorbers

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Keywords

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