A1 Refereed original research article in a scientific journal

Isolation of the (6,5) single-wall carbon nanotube enantiomers by surfactant-assisted aqueous two-phase extraction




AuthorsLi H, Sims CM, Kang R, Biedermann F, Fagan JA, Flavel BS

PublisherPERGAMON-ELSEVIER SCIENCE LTD

Publication year2023

JournalCarbon

Journal name in sourceCARBON

Journal acronymCARBON

Volume204

First page 475

Last page483

Number of pages9

ISSN0008-6223

DOIhttps://doi.org/10.1016/j.carbon.2022.12.071(external)


Abstract
Sorting single-chirality enantiomers is the ultimate goal for single-wall carbon nanotube (SWCNT) separation. In this work, aqueous two-phase extraction (ATPE) is used to obtain highly purified (>80%) left- and right-handed (6,5) SWCNTs with limited experimental steps. The optimized surfactant conditions are presented, and analytical ultracentrifugation (AUC) and near-infrared photoluminescence (PL) measurements are used to examine the surfactant wrapping and partition coefficient change conditions (PCCCs) required for separation. Our study provides valuable insights into the underlying mechanisms behind surfactant-assisted SWCNT separations and facilitates the use of SWCNT enantiomers in fundamental studies and applications in the future.



Last updated on 2024-26-11 at 14:45