High Resolution Image Download MS PowerPoint Slide We report the selective growth of bulk single-walled carbon nanotube (SWCNT) samples enriched with three different dominant chiralities including (6,5), (7,5), and (7,6) through adjusting the pressure of carbon monoxide on Co−Mo catalysts from 2 to 18 bar. Semiconducting SWCNT abundance was evaluated via photoluminescence, optical absorption, and Raman spectroscopy based on a single-particle tight-binding theoretical model, indicating that the abundance of each chiral tube can be systematically altered by changing the carbon monoxide pressure.
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Wang et al. (2007) studied this question.
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