Multiple interface coupling in halloysite/reduced graphene oxide/ cobalt nickel composites for high-performance electromagnetic wave absorption

The preparation of lightweight and high-performance microwave absorption materials have attracted much attention in recent years, but people still suffer from the high cost and low yielding of the products.Halloysite nanotube/reduced graphene oxide/cobalt nickel composite (HNT/rGO/CoNi) was synthesi...

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Bibliographic Details
Published in:Journal of colloid and interface science 2022-12, Vol.628, p.858-868
Main Authors: Liu, Tianhao, Shang, Kaixuan, Miao, Chao, Ouyang, Jing
Format: Article
Language:English
Subjects:
CoNi alloy
Halloysite nanotube
Impedance matching
Microwave absorption
rGO
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Summary:The preparation of lightweight and high-performance microwave absorption materials have attracted much attention in recent years, but people still suffer from the high cost and low yielding of the products.Halloysite nanotube/reduced graphene oxide/cobalt nickel composite (HNT/rGO/CoNi) was synthesized by co-precipitation for the formation of halloysite/graphene oxide/cobalt nickel oxalate and subsequent calcination processes. The maximum reflection loss can reach −69.77dB with the thickness of 2.38 mm at 14.72 GHz, and an effective absorption bandwidth (
ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2022.07.172