Journal
ADVANCED POWDER TECHNOLOGY
Volume 25, Issue 4, Pages 1273-1279Publisher
ELSEVIER
DOI: 10.1016/j.apt.2014.03.001
Keywords
Carbon nanotube; Silicon carbide; Carbothermal reduction; Heterostructure; Microwave absorption
Categories
Funding
- National Natural Science Foundation of China [51072024, 51132002, 51302011, 51372022, 51302312]
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Carbon nanotube (CNTs) based heterostructures, such as CNT/metal, CNT/polymer, CNT/semiconductor, are attractive for the combined properties and unique applications in cutting-edge electronics and devices. Here in this work, nanostructured beta-silicon carbide (beta-SiC)/CNTs heterostructures were synthesized by carbothermal reduction of silica (SiO2) and CNTs with diverse mixing ratios of n(C):n(Si). Different techniques were carried out for the characterization of the structures and morphologies of the achieved heterostructures, demonstrating dramatic different morphologies which were associated with the different starting ratios of the n(C):n(Si). The dielectric properties and microwave absorption of wax-based composites were investigated. The parameters for morphologically controllable synthesis and related mechanism for dielectric properties and electromagnetic attenuation were discussed. (c) 2014 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
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