fig2

Figure 2. Temperature-dependent UV-vis spectra for (A and B) MAPbI3 and (C and D) FAPbI3 with their calculated bandgaps in different temperatures. UV-vis: Ultraviolet-visible.
Figure 2. Temperature-dependent UV-vis spectra for (A and B) MAPbI3 and (C and D) FAPbI3 with their calculated bandgaps in different temperatures. UV-vis: Ultraviolet-visible.
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