A combined single crystal neutron/X-ray diffraction and solid-state nuclear magnetic resonance study of the hybrid perovskites CH3NH3PbX3 (X = I, Br and Cl)Electronic supplementary information (ESI) available. See DOI: 10.1039/c5ta01125f
The 1 H and 13 C NMR spectra in methylammonium lead halide perovskites, CH 3 NH 3 PbX 3 (X = I, Br and Cl) show that the CH 3 NH 3 + units undergo dynamic reorientation, as the organic component tumbles in the perovskite cage. In addition, the differences in the anomalously long relaxation times of...
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