Excellent microwave absorption properties based on a composite of one dimensional Mo2C@C nanorods and a PVDF matrix

MoO3 nanowires were synthesized by a wet chemical process and then coated by glucose, and finally successfully turned into Mo2C@C nanorods by carbonation reaction. An excellent absorption strength of −39.0 dB and absorption bandwidth of 12.2 GHz in the thickness range of 2.0–5.0 mm were achieved by...

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Bibliographic Details
Published in:RSC advances 2019, Vol.9 (37), p.21243-21248
Main Authors: Chao-Qin, Li, Shen, Xun, Ruo-Cheng, Ding, Wang, Guang-Sheng
Format: Article
Language:English
Subjects:
Carbonation
Chemical synthesis
Chemistry
Microwave absorbers
Microwave absorption
Molybdenum oxides
Molybdenum trioxide
Nanorods
Nanowires
Organic chemistry
Specific heat
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Summary:MoO3 nanowires were synthesized by a wet chemical process and then coated by glucose, and finally successfully turned into Mo2C@C nanorods by carbonation reaction. An excellent absorption strength of −39.0 dB and absorption bandwidth of 12.2 GHz in the thickness range of 2.0–5.0 mm were achieved by the Mo2C@C/PVDF with 10% filler content, derived from effective Debye dipolar relaxation processes. It is expected that the composite can be applied as a novel and desirable microwave absorber.
ISSN:2046-2069
DOI:10.1039/c9ra03362a