- High-Performance Polymer Solar Cells Employing Rhodamines as Cathode Interfacial Layers.
High-Performance Polymer Solar Cells Employing Rhodamines as Cathode Interfacial Layers.
ACS applied materials & interfaces (2017-07-27)
Wang Li, Zhiyang Liu, Rongjuan Yang, Qian Guan, Weigang Jiang, Amjad Islam, Tao Lei, Ling Hong, Ruixiang Peng, Ziyi Ge
PMID28745051
ABSTRACT
The development of simple and water-/alcohol-soluble interfacial materials is crucial for the cost-effective fabrication process of polymer solar cells (PSCs). Herein, highly efficient PSCs are reported employing water-/alcohol-soluble and low-cost rhodamines as cathode interfacial layers (CILs). The results reveal that rhodamine-based CILs can reduce the work function of the Al cathode and simultaneously increase the open-circuit voltage, current density, fill factor, and power conversion efficiency (PCE) of PSCs. The solution-processed rhodamine-based PSCs demonstrated a remarkable PCE of 10.39%, which is one of the best efficiencies reported for thieno[3,4-b]thiophene/benzodithiophene:[6,6]-phenyl C
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