Exploring alkylthiol additives in PBDB-T:ITIC blended active layers for solar cell applications
Li Xiang1, He Zhiqun1, †, Sun Mengjie1, Zhang Huimin1, Guo Zebang1, Xu Yajun1, Li Han1, Liang Chunjun1, Jing Xiping2
       

(a) UV-Vis absorption; (b) EQE spectra; (c) and (d) PL spectra of neat PBDB-T, neat ITIC, and PBDB-T:ITIC blended films with or without solvent additives as indicated; (e) the current density measured under dark condition and (f) Jph–Veff curves of PBDB-T:ITIC-based photovoltaic devices with or without solvent additives as indicated.