You Chen

Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells

A monothiophene unit incorporating both fluoro and ester substitution enabling high-performance donor polymers for non-fullerene solar cells with 16.4% efficiency

Changing the π-bridge from thiophene to thieno[3,2-b]thiophene for the D–π–A type polymer enables high performance fullerene-free organic solar cells