Abstract
SiC hexagonal nanoprisms have been prepared by a reaction of multiwall carbon nanotubes and Si vapor in an Astro furnace at 1450 °C for 3 h. The polytype, morphology, crystal structure of the nanoprisms were studied by X-ray powder diffraction, scanning electron microscopy and high resolution transmission electron microscopy, showing their hexagonal nanoprism shapes with a 3C-SiC single crystal structure with a diameter of about 100 nm and 2 μm in length. The photoluminescence spectrum of the nanoprisms exhibits a significant blue-shift relative to bulk 3C-SiC and other nanostructured SiC. The possible growth mechanism that controls the nanostructure formation is also analysed.
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42.70.Nq; 68.37.-d; 78.55.-m; 78.67.Bf; 81.07.Vb
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Wu, R., Yang, G., Pan, Y. et al. Synthesis of silicon carbide hexagonal nanoprisms. Appl. Phys. A 86, 271–274 (2007). https://doi.org/10.1007/s00339-006-3771-1
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DOI: https://doi.org/10.1007/s00339-006-3771-1