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

Fluorine Substitution (logic)
DOI: 10.1039/c5ee00855g Publication Date: 2015-06-19T13:01:50Z
ABSTRACT
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%.
SUPPLEMENTAL MATERIAL
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