Fused rings with a ladder-type electron-deficient-core are now commonly employed in the molecular design of high-performance non-fullerene acceptors (NFA) for OPVs. Listed here are some examples, more are available to meet your specific needs.
Examples listed below :
Y1
Y2
Y5 BTP
Y6 BTP-4F
Y7, BTP-4Cl
N3 Y6N3
Y16 Y16-4F
Y18
Y12 Y6-BO BTP-4F-12
DTY6 DT-Y6 Y6-24
Y6-O
HDO-4Cl
ZY-4Cl
Y10 Y6-T
Y10-BO
L8-BO
BTP-EC9
and more, please inquiry.
1M ICSM 2022 P4 Fused Ring NFA
1M ICSM 2022 P3 non fused ring NFA
