Permselective 2D-polymer-based membrane tuneable by host–guest chemistry

A permselective membrane with a non-covalently tailorable surface has been fabricated by deposition of a cucurbit[6]uril-based 2D polymer film onto a simple support membrane. Tuneable permselectivity of this membrane has been achieved through non-covalent surface modification using the remarkable host-guest chemistry of the incorporated cucurbit[6]uril units.