Figure 3

1H MAS NMR spectrum for CH3 and NH3 of CH3NH3PbBr3 at 300 K, and the spinning sidebands are marked with open circles and asterisks.

1H MAS NMR spectrum for CH3 and NH3 of CH3NH3PbBr3 at 300 K, and the spinning sidebands are marked with open circles and asterisks.