High Purity Grade Sic Nanowires

Ultralight, Recoverable, and High-Temperature-Resistant …

Ultralight, Recoverable, and High-Temperature-Resistant …

-3-7 · Ultralight ceramic aerogels with the property coination of recoverable compressibility and excellent high-temperature stability are attractive for use in harsh environments. However, conventional ceramic aerogels are usually constructed by oxide ceramic nanoparticles, and their practical appliions have always been limited by the brittle nature of …

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Scalable Fabriion of Resilient SiC Nanowires Aerogels …

Scalable Fabriion of Resilient SiC Nanowires Aerogels …

The as-synthesized SiC NWAGs displayed excellent high-temperature stability (the maximum working temperature in Ar and air can reach to 1400 and 1000 °C, respectively), outstanding flame-erosion resistance and low thermal conductivity (25 mW m –1 K –1). The easy fabriion of such ceramic aerogel on a large scale will pave the way for the ...

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alyst-free growth of high purity 3C-SiC nanowires film …

alyst-free growth of high purity 3C-SiC nanowires film …

-2-1 · alyst-free growth of high purity 3C-SiC nanowires film on a graphite paper by sol-gel and ICVI carbothermal Materials Letters ( IF 3.423) Pub Date : -02-01, DOI: 10.1016/j.matlet.2017.10. ao Lin, Hejun Li, Qingliang Shen, Xiaohong Shi, …

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Synthesis of High-Purity SiC Nanowires via alyst-Free ...

Synthesis of High-Purity SiC Nanowires via alyst-Free ...

-10-6 · GO was completely reacted with SiO to prepare high-purity 3C-SiC nanowires by thermal evaporation and carbothermal reduction without the use of any alyst, rather than by epitaxy. Characterization was conducted using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and selected-area electron diffraction.

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Synthesis of High-Purity SiC Nanowires via alyst-Free …

Synthesis of High-Purity SiC Nanowires via alyst-Free …

-9-23 · The large-scale synthesis of high-purity SiC nanowires is a challenge. In this context, sponge-like graphene oxide (GO) was used as a carbon source as well as a reaction template for directly synthesizing SiC nanowires. GO was completely reacted with SiO to prepare high-purity 3C-SiC nanowires by th …

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Large-scale synthesis and characterization of SiC …

Large-scale synthesis and characterization of SiC …

-10-29 · In conclusion, high quality SiC nanowires were synthesized in large quantity by high-frequency induction heating. By means of SEM, TEM and HRTEM, the morphologies of the SiC semiconductor heterostructures were examined and analyzed in detail. The SiC nanowires obtained at the bottom of ACF surfaces have the core of 8–20 nm in the

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Synthesis of High-Purity Silicon Carbide Nanowires by a …

Synthesis of High-Purity Silicon Carbide Nanowires by a …

High-purity silicon carbide (SiC) nanowires were synthesized through a alyst-free arc-discharge process using silicon dioxide powders as a filler in a graphite anode. The characterization of the as-synthesized SiC nanowires showed that the diameter of the single-crystalline SiC nanowires was about 3−15 nm and the length was up to several micrometers. To understand the …

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Large-scale synthesis of crystalline β-SiC nanowires

Large-scale synthesis of crystalline β-SiC nanowires

Large quantities of high-purity crystalline β-SiC nanowires have been synthesized at relatively low temperature via a new simple method, the chemical-vapor-reaction approach, in a home-made graphite reaction cell. A mixture of milled Si and SiC powders and C3H6 were employed as the starting materials. The results show that the nanowires with diameters of about 10–35 nm are …

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alyst-free growth of high purity 3C-SiC nanowires film …

alyst-free growth of high purity 3C-SiC nanowires film …

The microstructure analysis by SEM showed the nanowires with a diameter of â ¼200â ¯nm and a length of several millimeters were hierarchical. TEM images and XRD data from the nanowires revealed them to have the cubic 3C-SiC structure. The vapor solid epitaxial mechanism was also proposed to explain the growth process.

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High-purity iron pyrite (FeS2) nanowires as high-capacity ...

High-purity iron pyrite (FeS2) nanowires as high-capacity ...

Iron pyrite is an earth-abundant and inexpensive material that has long been interesting for electrochemical energy storage and solar energy conversion. A large-scale conversion synthesis of phase-pure pyrite nanowires has been developed for the first time. Nano-pyrite hodes exhibited high Li-storage capa

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Synthesis of High-Purity SiC Nanowires via alyst-Free …

Synthesis of High-Purity SiC Nanowires via alyst-Free …

The large-scale synthesis of high-purity SiC nanowires is a challenge. In this context, sponge-like graphene oxide (GO) was used as a carbon source as well as a reaction template for directly synthesizing SiC nanowires. GO was completely reacted with SiO to prepare high-purity 3C-SiC nanowires by thermal evaporation and carbothermal reduction without the use of any alyst, …

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Morphology of SiC nanowires grown on the surface of …

Morphology of SiC nanowires grown on the surface of …

SiC nanowires (NWs) with diameters of 20–200 nm and lengths from tens to hundreds of micrometers have been synthesized by the carbothermal reduction of colloidal silica. The morphology and microstructure of NWs have been studied in detail by electron microscopy techniques. ... c Institute of Microelectronics Technology and High Purity ...

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