Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a,b) Chemical structures of a) COF‐1 and b) COF‐5. c) Final binding configuration of Li2S x species (x = 1, 4, 6 and 8) in COF‐1 (blue box, left) and COF‐5 (green box, right). Reproduced with permission.[ 210 ] Copyright 2016, American Chemical Society.
