Solid state transformation of the crystalline monohydrate (CH3NH3)PbI3(H2O) to the (CH3NH3)PbI3 perovskite

Solid state transformation of the crystalline monohydrate (CH3NH3)PbI3(H2O) to the (CH3NH3)PbI3 perovskite

Colorless crystals of (CH3NH3·H2O)PbI3 spontaneously lose water at 298 K which triggers a transformation to the black (CH3NH3)PbI3 perovskite in the solid state as a porous microcrystalline solid with nanoscale substructure, but the dihydrate (CH3NH3)4PbI6·2H2O) requires much more forcing conditions...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2015-06, Vol.51 (56), p.11290-11292
Hauptverfasser: Imler, Gregory H, Li, Xia, Xu, Bolei, Dobereiner, Graham E, Dai, Hai-Lung, Rao, Yi, Wayland, Bradford B
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Sprache:eng
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Zusammenfassung:Colorless crystals of (CH3NH3·H2O)PbI3 spontaneously lose water at 298 K which triggers a transformation to the black (CH3NH3)PbI3 perovskite in the solid state as a porous microcrystalline solid with nanoscale substructure, but the dihydrate (CH3NH3)4PbI6·2H2O) requires much more forcing conditions to produce (CH3NH3)PbI3.
ISSN:1364-548X
DOI:10.1039/c5cc03741g