Fig. 1: Morphological and optical properties of FAPbBr3 PNCs.

a TEM image of the FAPbBr3 PNCs. (Inset) Crystal structure of FAPbBr3. b Steady-state optical absorption and PL spectra of the FAPbBr3 PNCs.
a TEM image of the FAPbBr3 PNCs. (Inset) Crystal structure of FAPbBr3. b Steady-state optical absorption and PL spectra of the FAPbBr3 PNCs.