Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 111, Issue 48, Pages 17804-17806Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp0712506
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Single-walled carbon nanotubes (SWNTs) may be grown from designed seeds containing an SWNT and the catalyst required for continued growth. Dodecyl side-walled functionalized SWNTs (DD-SWNTs) are endfunctionalized with 4-hydroxypyridine via dicyclohexylcarbodiimide coupling to allow covalent coordination of an inorganic cluster pro-catalyst (FeMoC). DD-SWNT-py-FeMoC on spin-on glass was exposed to H-2/CH4 at 800 degrees C, resulting in 3-fold growth in the length of 40% of the seed STs. Only similar to 1% of the procatalyst alone nucleate SWNTs under the same conditions, suggesting effective separation of the nucleation and growth processes.
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