A flavin-Cu2+ supramolecular complex for highly selective sorting of semiconducting single-walled carbon nanotubes with specific chiralities

Abstract

We introduce thio-substituents at the 7- and 8-positions of a flavin analogue, which allows for the coordination of metal ions, and demonstrate, based on both experimental and theoretical methods, that the formed Cu²⁺-based supramolecular assembled complex shows very high selective sorting of semiconducting single-walled carbon nanotubes with (8,6)- and (9,4)-chiralities.