期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 113, 期 47, 页码 20178-20183出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp904490j
关键词
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资金
- Natural Scientific Foundation of China [20606020, 20736007]
- FANEDD [200548]
- China National Program [2006CB932702]
Fe/MgO nanoparticle catalysts were prepared and used to grow single-walled carbon nanotubes (SWCNTs) from the decomposition of methane. The porous structure of the catalyst can be tailored by an ethanol-thermal treatment and calcination. Catalysts with sufficiently large pores (50 nm to 5 mu m) can produce very high-quality SWCNTs that had an intensity ratio of D band to G band in their Raman spectra of less than 0.02-0.03. These SWCNTs had fewer defects than any other SWNT products from the chemical vapor deposition process previously reported.
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