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Samuel D. Stranks, Anton M. R. Baker, Jack A. Alexander-Webber, Beate Dirks and Robin J. Nicholas Production of High-Purity Single-Chirality Carbon Nanotube Hybrids by Selective Polymer Exchange Small 9

Version of Record online: 22 FEB 2013 | DOI: 10.1002/smll.201202434

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A scalable method to coat monochiral (7,5) semiconducting single-walled carbon nanotubes with a monolayer coating of a range of technologically useful polymers such as poly(3-hexylthiophene) (P3HT) and poly(9,9′-dioctylfluorene-co-benzothiadiazole) (F8BT) is presented. Optical spectroscopy and atomic force microscopy measurements show that the semiconducting tube purity (>99%) obtained from the selective wrapping of nanotubes by polymers such as poly(9,9-dioctylfluorenyl-2,7-diyl) (PFO) can be transferred to these other nanotube–polymer combinations by polymer exchange.

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