期刊
JOURNAL OF MATERIALS SCIENCE
卷 54, 期 22, 页码 13990-14001出版社
SPRINGER
DOI: 10.1007/s10853-019-03902-0
关键词
-
资金
- National Natural Science Foundation of China [51302312, 51476056, 51502341]
Absorbents with lightweight, low filler loading and broadband absorption are highly desired in electromagnetic wave absorbing field. Herein, the carbon black/reduced graphene oxide (CB/RGO) composite materials were fabricated via a facile synthetic method. The composite absorbents demonstrate an excellent microwave absorption performance. With the low filler loading of 7 wt%, the maximum absorption is as strong as 47.5 dB and the effective absorption bandwidth (reflection loss < -10 dB) reaches 5.92 GHz covering 37% of the entire measured bandwidth at only 2.2 mm thickness. Compared with the CB particles, CB/RGO composites possess higher absorption intensity and broader effective absorption bandwidth. This work provides a feasible approach for the design and synthesis of composite absorbents with lightweight and high-performance absorption.
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