Towards 26% efficiency in inverted perovskite solar cells <i>via</i> interfacial flipped band bending and suppressed deep-level traps

Yiting Zheng, Yaru Li, Rongshan Zhuang, Xueyun Wu, Congcong Tian, Anxin Sun, Chen Chen, Chen Chen, Yongsheng Guo, Yong Hua,

Energy & Environmental Science · 2023 · 373 citations · 45 references

Concepts

Abstract

Minimizing interfacial recombination loss in inverted perovskite solar cells is achieved by introducing piperazinium diiodide (PDI) as a surface modifier to passivate deep surface defects and adjust the interface band bending.

References

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