期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 16, 页码 5985-5991出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm04247a
关键词
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资金
- Harbin Institute of Technology
- National Natural Science Foundation of China [50672018]
- National High-tech R&D Program (863 Program) [2007AA03Z340]
- Fundamental Research Funds for the Central Universities [HIT. ICRST. 2010009]
Large quantities of core-shell structured Sialon nanobelts containing amorphous carbon in the shell were synthesized by pressure enhanced CVD at 1450 degrees C without a catalyst. The products are high-quality nano single-crystalline with a uniform morphology. The yield and aspect ratio are systematically controlled by changing the growth temperature and chamber pressure. The nanostructures were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), nitrogen adsorption-desorption isotherms and high-resolution transmission electron microscopy (HRTEM). A stepwise reaction model and luminescence characteristics were proposed based on the experimental results.
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