Material: PBBTPD, OS2120 

Application: Extremely low bandgap polymer for NIR detector, OPV, OTFT 

Chemical Name: Poly[2λ 4 δ 2 -benzo[1,2-c:4,5-c']bis[1,2,5]thiadiazole-4,8-diyl(4- hexyl-2,5-thiophenediyl)[4-[3,4,5-tris(dodecyloxy)phenyl]-4Hdithieno[3,2-b:2',3'-d]pyrrole-2,6-diyl](3-hexyl-2,5-thiophenediyl)] 

Molecular Formula: (C76 H107 N5 O3 S6)n 

CAS No. 1334032-12-0

Lot number: YY17226CH 

Appearance: Deep green to black particles 

NMR analysis: Structure confirmed