Design of Halogenated Donors for Efficient All-Small-Molecular Organic Solar Cells
Chenyang Zhang,
Meijia Chang,
Yuanyuan Zhang
et al.
Abstract:Precise adjustment of the nanoscale morphology within the active layers is crucial for optimizing the photovoltaic performance of all-smallmolecule organic solar cells (ASM-OSCs), and the halogen substituent strategy for photovoltaic materials plays a vital role in the development of the morphology evolution. In this work, we systematically study a series of acceptor−donor−acceptor (A-D-A) type small-molecule donors by incorporating halogenation at the thienyl benzo[1,2-b:4,5-b′]dithiophene (BDT-T) donor core … Show more
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