期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 93, 期 9, 页码 2415-2418出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1551-2916.2010.03731.x
关键词
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资金
- National Natural Science Foundation of China [50972076, 50872072, 50772061]
- Shandong Province Natural Science Foundation [Y2008F26, Y2008F40]
- Science and Technology Development Project of Shandong Province [2009GG10003001, 2009GG10003003]
- Special Fund for Postdoctoral Innovative Project of Shandong Province [200702024]
beta-SiC nanowires were synthesized at a temperature as low as 150 degrees C by the reaction of Si and graphite induced by an additional reaction between Na and S. Characterization by X-ray diffraction, high-resolution transmission electron microscopy, IR spectra, and Raman spectra demonstrates the formation of curly beta-SiC nanowires with several millimeters in length and 50-70 nm in diameter. Also, a prominent peak at 387 nm is observed in the visible photoluminescence emission. Besides the temperature, the molar ratio of S to Si (or graphite) has significant influence on the synthesis of SiC at relatively low temperatures.
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