Revealing Exciton Dissociation and Inhomogeneity in Metal Halide Perovskite Thin Films

Geoffrey M. Diederich; Mark E. Siemens

doi:10.1364/CLEO_AT.2019.JW2A.31

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2019),
paper JW2A.31
•https://doi.org/10.1364/CLEO_AT.2019.JW2A.31

Revealing Exciton Dissociation and Inhomogeneity in Metal Halide Perovskite Thin Films

Geoffrey M. Diederich and Mark E. Siemens

CLEO: Applications and Technology 2019

San Jose, California United States
5–10 May 2019
ISBN: 978-1-943580-57-6

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Poster Session II (JW2A)

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G. M. Diederich and M. E. Siemens, "Revealing Exciton Dissociation and Inhomogeneity in Metal Halide Perovskite Thin Films," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2019), paper JW2A.31.

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Abstract

We present multidimensional spectra of excitons in formamidinium-methylammonium lead triiodide perovskite films at low temperature. The spectra show inhomogeneous broadening and two distinct states, which we assign to free and defect-bound excitonic states.

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