4,8-Bis(n-octyloxy)benzo[1,2-b:4,5-b'']dithiophene-2,6-dicarbaldehyde (CAS# 1668554-22-0) is an organic dye, and due to its with high IPCE values containing two triphenylamine units as co-donors, it is useful for the preparation of efficient dye-sensitized solar cells.
![4,8-Bis(octyloxy)benzo[1,2-b:4,5-b']dithiophene-2,6-dicarbaldehyde](https://www.chemicalbook.com/CAS/20180808/GIF/1668554-22-0.gif)