Tailored covalent organic framework membranes for lithium extraction and …

Abstract

What is claimed is: 1 . A crystalline, modular covalent organic framework of formula I: wherein TP is derived from formula II: wherein EB is derived from formula III: wherein BD is derived from formula IV: wherein x is an integer ranging from 1 to 5; and wherein y is an integer ranging from 1 to 5.