High temperature growth of single-walled carbon nanotubes with a narrow chirality distribution by tip-growth mode

Maoshuai He,Tao Yang,Danhong Shang,Benwu Xin,Alexander I. Chernov,Elena D. Obraztsova,Jani Sainio,Na Wei,Hongzhi Cui,Hua Jiang,Esko Kauppinen

Chemical Engineering Journal（2018）

引用 22|浏览15

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摘要

•Porous magnesia supported cobalt catalyst affords tip-growth of carbon nanotubes.•Nanotubes possess narrow chirality distribution with enriched (6, 5) species.•Lift-off inhibits particle coalescence, favoring small diameter nanotube growth.•Small-diameter carbon nanotubes form earlier than large-diameter counterparts.

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关键词

Single-walled carbon nanotube,Chirality-selective,Tip growth,Metal-support interaction,Raman spectroscopy,Temperature-programmed reduction

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