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  • Title: Direct growth of semiconducting single-walled carbon nanotube array.
    Author: Hong G, Zhang B, Peng B, Zhang J, Choi WM, Choi JY, Kim JM, Liu Z.
    Journal: J Am Chem Soc; 2009 Oct 21; 131(41):14642-3. PubMed ID: 19778018.
    Abstract:
    By introducing the UV beam into our homemade chemical vapor deposition system, we had obtained a well aligned SWNT array on an ST-cut quartz substrate. After transfer onto a SiO(2)/Si substrate, the SWNT array was detected by Raman spectroscopy and electrical measurement, which showed that over 95% of the SWNTs were semiconducting ones. It is proposed that the selection process took place at the very beginning of the SWNT formation rather than destroying the metallic SWNTs after growth. This approach has solved one of the most important problems in SWNT application.
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