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Conferences > LAOP > 2018 > Tu4A > Tu4A.34

Determination of the complex refractive index, optical bandgap and Urbach energy of CH3NH3PbI3 and FA1−yCsyPb(I1−xBrx)3 perovskite thin films

A. Tejada, S. Braunger, L. Kegelmann, S. Albrecht, J. A. Töfflinger, L. Korte, and J. A. Guerra

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Abstract

The complex refractive indices of CH3NH3PbI3 and FA1−yCsyPb(I1−xBrx)3 perovskite thin films are reported. These are determined point-by-point using a combination of ellipsometry and transmittance. Bandgaps and Urbach energies are calculated using a band fluctuations model.

© 2018 The Author(s)

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