کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1486909 | 1510691 | 2016 | 4 صفحه PDF | دانلود رایگان |
• Carbon spheres were prepared.
• Nickel nanoparticles were incorporated onto carbon spheres.
• The minimum reflection loss value was −20.3 dB at 14.4 GHz with a matching thickness of 9.0 mm for 40 wt.% composites.
Carbon spheres were obtained by hydrothermal synthesis using glucose as carbon source, and then nickel nanoparticles were incorporated on carbon spheres by reducing with hydrogen. The nickel nanoparticles (about 6 nm) with magnetic loss were uniformly dispersed on the surface of carbon spheres (200–400 nm) with dielectric loss. The few-layer graphene have been obtained on the carbon spheres by nickel catalysis. The minimum reflection loss value of −20.3 dB was observed at 14.4 GHz with a matching thickness of 9.0 mm for 40 wt.% composites. The nickel nanoparticles incorporated carbon spheres are a promising candidate for excellent microwave absorption materials.
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Journal: Materials Research Bulletin - Volume 84, December 2016, Pages 445–448