Journal
INORGANIC CHEMISTRY
Volume 42, Issue 21, Pages 6589-6591Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic0347081
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The organic-inorganic hybrid [CH3(CH2)(11)NH3]SnI3 presents a lamellar structure with a Sn-I framework isotypic to that of MoO3. The SnI3- layer consists of edge and corner-sharing SnI6 octahedra in which one of the six Sn-I bonds is distinctly elongated (e.g., 3.62 Angstrom), indicating lone-pair stereoactivity for the Sn(II) atom. The overall electronic character remains comparable with that of the well-studied SnI42--based perovskite semiconductors, such as [CH3(CH2)(11)NH3](2)SnI4, with a red-shifted and broadened exciton peak associated with the band gap, apparently due to the increased dimensionality of the Sn-I framework. The title compound offers, aside from the hybrid perovskites, a new type of solution-processable Sn-I network for potential applications in semiconductive devices.
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