DFT calculations reveal nonparabolic dispersion in CsPbI3, with a quadratic-in-k model for effective mass that approximates the bands from zone center to boundary.
Origin of photoluminescence and experimental determination of exciton binding energy, exciton–phonon interaction, and Urbach energy inγ-CsPbI 3 nanoparticles
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Nonparabolic dispersion of charge carriers in CsPbI$_3$ in the orthorhombic phase
DFT calculations reveal nonparabolic dispersion in CsPbI3, with a quadratic-in-k model for effective mass that approximates the bands from zone center to boundary.