Background:

PBDB-T is a wide bandgap polymer donor in Perylene diimide (PDI)-based polymer solar cells (PSCs)[1].

[1]. Bai Y, et al. Constructing Desired Vertical Component Distribution Within a PBDB-T:ITIC-M Photoactive Layer via Fine-Tuning the Surface Free Energy of a Titanium Chelate Cathode Buffer Layer. Front Chem. 2018 Aug 20;6:292.