Probing lattice vibrations of stabilized CsPbI<sub>3</sub> polymorphs <i>via</i> low-frequency Raman spectroscopy

Yi Yang, Jason P. Robbins, Lotanna Ezeonu, Yichen Ma, Nicholas Sparta, Xiaoqing Kong, Stefan Strauf, Simon G. Podkolzin, Stephanie S. Lee

Journal of Materials Chemistry C · 2020 · 39 citations · 42 references

Concepts

Abstract

The low-frequency Raman spectra of metal-halide perovskites are reported using a combination of a 976 nm laser and nanoconfinement to stabilize the crystals against temperature-induced polymorph transitions and humidity-induced degradation.

References

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