Purification and size‐selection of carbon nanotubes
作者： Jean-Marc Bonard , Thierry Stora , Jean-Paul Salvetat , Frédéric Maier , Thömas Stöckli
关键词: Nanotechnology 、 Materials science 、 Flocculation 、 Nanoparticle 、 Dispersion (chemistry) 、 Carbon nanotube 、 Carbon 、 Chemical engineering 、 Suspension (chemistry) 、 Electric arc 、 Separation process
摘要: We report on a non-destructive method for the separation and size-selection of carbon nanotubes nanoparticles produced by arc discharge. A liquid-phase was performed filtering kinetically stable colloidal dispersion consisting material in water/surfactant solution, allowing thus to extract from suspension while leaving filtrate. Further purification accomplished through controlled floculation dispersion. Final yields as high 90 % weight were obtained without any damage tube tips or walls following process.
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