Probing lattice vibrations of stabilized CsPbI3 polymorphs via low-frequency Raman spectroscopy

Journal of Materials Chemistry C - Tập 8 Số 26 - Trang 8896-8903
Yi Yang1,2,3, Jason P. Robbins1,2,3, Lotanna Ezeonu1,2,3, Yichen Ma4,2,3, Nicholas Sparta1,2,3, Xiaoqing Kong1,2,3, Stefan Strauf4,2,3, Simon G. Podkolzin1,2,3, Stephanie S. Lee1,2,3
1Department of Chemical Engineering and Materials Science, Stevens Institute of Technology, Hoboken, NJ, USA
2Hoboken
3Stevens Institute of Technology
4Department of Physics, Stevens Institute of Technology, Hoboken, NJ, USA

Tóm tắt

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.

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Journal of Materials Chemistry C

Tập 8 Số 26

8896-8903

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