Concepedia

Benign methylformamidinium byproduct induced by cation heterogeneity inhibits local formation of δ-phase perovskites

Jihoo Lim, Jaehui Kim, Josh Davies-Jones, Mohsen Danaie, Eun Young Choi, Hongjae Shim, Liang Chen, Jincheol Kim, Judy S. Kim, Philip R. Davies,

Energy & Environmental Science · 2024 · 24 citations · 41 references

DOIFull text

Open access

Concepts

Abstract

Methylammonium chloride (MACl) selectively promotes the formation of N -methylformamidinium (MFA + )PbI 3 at grain boundaries (GBs) and as clusters near GBs while suppress the formation of δ-FAPbI 3.

References

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