High-efficient production of SiC/SiO2 core-shell nanowires for effective microwave absorption

Bo Zhong, Tianqi Sai, Long Xia, Yuanlie Yu, Guangwu Wen

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

In the current report, we have demonstrated that the high-efficient production of SiC/SiO2 core-shell nanowires can be achieved through the introduction of trace of water vapor during the chemical vapor deposition process. The yield of the SiC/SiO2 core-shell nanowires is dramatically improved due to the introduction of water vapor. The SiC/SiO2 core-shell nanowires exhibit an excellent microwave absorption property in the frequency range of 2.0–18.0GHz with a very low weight percentage of 0.50wt.% in the absorbers. A minimum reflection loss value of −32.72dB (>99.99% attenuation) at 13.84GHz has been observed with the absorber thickness of 3.0mm. Moreover, the SiC/SiO2 core-shell nanowires based absorber can reach an effective absorption bandwidth (
Original languageEnglish (US)
Pages (from-to)185-193
Number of pages9
JournalMaterials & Design
Volume121
DOIs
StatePublished - Feb 21 2017

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