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. 2016 Apr 8;5(4):e16056. doi: 10.1038/lsa.2016.56

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Copyright © 2016 Changchun Institute of Optics, Fine Mechanics and Physics

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(a) PL spectra of FAPbI₃ films prepared from different precursor systems. (b) Time-resolved PL decay at room temperature. (c) 2D pseudo-color plot of streak camera data from a FAI/HPbI₃-based film. (d) Log-plot of PL spectra at different times after photoexcitation. 2D, two-dimensional.