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. 2020 May 19;10:8229. doi: 10.1038/s41598-020-65071-4

Table 1.

207Pb NMR data of APbX3 perovskites. Acquired under MAS at a) 20 kHz, b) 10 kHz.

Compound Temperature δiso (ppm) 1JPb-X (Hz) FWHM lines (Hz) FWHM total (kHz)
CsPbCl3 RTa) −714 400 600 2.4
CsPbBr3 RTa) 262 2300 2400 13.8
100 Kb) 130 2500 2100 16.9
CsPbBr3 NCs RTa) 252 17.6
CsPbI3 RTa) 1160 20.0
100 Kb) 990 25.0
MAPbCl3 RTa) −630 390 600 2.3
MAPbBr3 RTa) 365 13.6
100 Kb) 125 2350 2350 16.6
MAPbI3 RTa) 1445 17.6
100 Kb) 1030 20.0
FAPbBr3 RTa) 515 13.1
100 Kb) 280 13.4
FAPbI3 RTa) 1515 22.2

Spinning at faster MAS increases the temperature of the sample and therefor changes the chemical shift (Fig. S3).