期刊
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
卷 17, 期 5, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssr.202200428
关键词
antioxidant; defects passivation; edaravone; perovskite solar cells
It can be seen that PSCs have broad application prospects in the field of renewable energy. Passivation of perovskite films by antioxidants, such as edaravone (EDA), is an effective approach to improve the performance and stability of PSCs. The EDA-optimized device achieves a champion power conversion efficiency (PCE) of 20.81%, and after 1000 hours of exposure to the environment, the efficiency can maintain 72% of the original value.
Perovskite solar cells (PSCs) have broad application prospects in the field of renewable energy. The photovoltaic performance and long-term stability of PSCs are important factors for the industrialization of PSCs. Passivation of perovskite films by antioxidants is an effective approach to not only reduce the density of defect states but also improve the environmental stability of the device. Herein, edaravone (EDA) is added to the perovskite precursor solution to passivate the defects and also scavenge ultraviolet(UV)-induced free radicals during photoaging. The EDA-optimized device achieves a champion power conversion efficiency (PCE) of 20.81%, and after 1000 h of exposure to the environment, the efficiency can maintain 72% of the original value.
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