Fig. 2 Fluence-dependent emission characteristics of CH3NH3PbI3 recorded at 15 and 300 K. Fluence-dependent emission characteristics of CH3NH3PbI3 recorded.

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Fig. 2 Fluence-dependent emission characteristics of CH3NH3PbI3 recorded at 15 and 300 K. Fluence-dependent emission characteristics of CH3NH3PbI3 recorded at 15 and 300 K. (A) PL spectra of the low- and high-energy emission peaks as a function of fluence recorded at 15 K. (B) Position of the low- and high-energy emission peaks as a function of fluence recorded at 15 K. (C) Intensity of the low- and high-energy emission peaks as a function of fluence recorded at 15 K. (D) PL spectra of the tetragonal phase as a function of fluence recorded at 300 K. (E) Position of the tetragonal emission peak as a function of fluence recorded at 300 K. (F) Intensity of the tetragonal emission peak as a function of fluence recorded at 300 K. M. Ibrahim Dar et al. Sci Adv 2016;2:e1601156 Copyright © 2016, The Authors