Under the support of the National Natural Science Foundation of China (Grant No.
All-perovskite tandem solar cells constructed by tandem wide/narrow bandgap perovskite sub-cells have the advantages of high efficiency and low cost, and are an important development direction for the next generation of photovoltaic technology
In view of the above bottlenecks, the research team proposed a new strategy to enhance the passivation of surface defects on grains.
This research work provides a new idea for the development of defect passivation methods.
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