Fluorination on both D and A units in D–A type conjugated copolymers based on difluorobithiophene and benzothiadiazole for highly efficient polymer solar cells

• DOI: 10.1039/c5ee00855g
• Publication Date: 2015-06-19T13:01:50Z
• Authors: Jea Woong Jo; Jae Woong Jung; Eui Hyuk Jung; Hyungju Ahn; Tae Joo Shin; Won Ho Jo
• Keywords: Fluorine; Substitution (logic)

The optimization of the number fluorine substitution in D–A polymers composed difluorobithiophene and benzothiadiazole reveals that polymer with mono-fluorinated exhibits a PCE 9.14%.