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Título del libro: Technical Proceedings Of The 2014 Nsti Nanotechnology Conference And Expo, Nsti-Nanotech 2014 Título del capítulo: Green chemistry of carbon nanomaterials
We summarize the results obtained up to now on solvent-free techniques for the functionalization of fullerene C60, single-walled and multi-walled carbon nanotubes (SWNTs and MWNTs, respectively), as well as nanodiamond (ND). We designed a series of simple and fast functionalization protocols based on thermally activated reactions with chemical compounds stable and volatile at 150-200 °C under reduced pressure, when not only the reactions take place at a high rate, but also excess reagents are spontaneously removed from the functionalized material, thus making unnecessary its purification. The main two classes of reagents are organic amines and thiols, which can be used in conjunction with different forms of nanocarbons. The resulting chemical processes comprise nucleophilic addition of amines and thiols to fullerene C60 and to defect sites of pristine MWNTs, as well as direct amidation of carboxylic groups of oxidized nanotubes (mainly SWNTs) and ND.
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ISBN: 9781482258301 Editorial: Nano Science and Technology Institute