420163 Advances in Aqueous Two-Phase Extraction Separations of Single-Wall Carbon Nanotubes

Wednesday, November 11, 2015: 1:50 PM
253A (Salt Palace Convention Center)
Jeffrey A. Fagan, Materials Science and Engineering Division, National Institute of Standards and Technology, Gaithersburg, MD

Aqueous two-phase extraction (ATPE) is a rapidly developing scalable separation in which a system of phase-separating polymers isutilized to spatially separate single-wall carbon nanotubes (SWCNTs) species on the basis of differential partitioning across the polymer phases.  Recently advances have demonstrated that the technique is broadly applicable to the separation of a broad diameter range of nanotube species on the basis of solution composition for surfactant dispersed SWCNTs, with the typical composition needed for extraction of a specific SWCNT species strongly following a diameter dependent trendline.  The basis and applicability of the method will be presented, as well as evolving understanding of the diameter dependence, enantiomeric selection, and specific SWCNT species applications.

Extended Abstract: File Not Uploaded