Issue 35, 2011
From the journal:

Journal of Materials Chemistry

In situ synthesis of one-dimensional MWCNT/SiC porous nanocomposites with excellent microwave absorption properties†

Hui-Ling Zhu,a   Yu-Jun Bai,*a   Rui Liu,a   Ning Lun,a   Yong-Xin Qi,a   Fu-Dong Hana  and  Jian-Qiang Bia  

* Corresponding authors

a Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, Shandong University, Jinan, China
E-mail: byj97@126.com

Abstract

One-dimensional multiwalled carbon nanotube (MWCNT)/SiC porous nanocomposites were prepared via an in situ reaction between Si and MWCNTs induced by the reaction between Na and I2. The as-prepared nanocomposites exhibit outstanding microwave absorbing performances with an absorber thickness of about 2 mm. The absorbing bandwidth for the nanocomposites increases by raising the reaction temperature from 200 to 400 °C. The dielectric polarizations, which originate from the synergistic effect of the defects, porous structures and nanoparticles in the nanocomposites, are responsible for the excellent microwave absorbing performances.

Graphical abstract: In situ synthesis of one-dimensional MWCNT/SiC porous nanocomposites with excellent microwave absorption properties

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Article information

DOI
https://doi.org/10.1039/C1JM11747E
Article type
Paper
Submitted
21 Apr 2011
Accepted
28 Jun 2011
First published
08 Aug 2011

J. Mater. Chem., 2011,21, 13581-13587

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In situ synthesis of one-dimensional MWCNT/SiC porous nanocomposites with excellent microwave absorption properties

H. Zhu, Y. Bai, R. Liu, N. Lun, Y. Qi, F. Han and J. Bi, J. Mater. Chem., 2011, 21, 13581 DOI: 10.1039/C1JM11747E

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