Extended Data Fig. 3: NMR results.
From: Homogenizing out-of-plane cation composition in perovskite solar cells

13C Chemical shift information of PSP and PSP(PbI2) complex obtained from NMR measurements.
From: Homogenizing out-of-plane cation composition in perovskite solar cells

13C Chemical shift information of PSP and PSP(PbI2) complex obtained from NMR measurements.