Synthesis and characterization of inverse hybrid perovskites

Veer, Ewout, van der (2019) Synthesis and characterization of inverse hybrid perovskites. Research Project, Chemistry.

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Abstract

This report describes attempts to synthesize hybrid as well as inorganic antiperovskite materials. These attempts were unsuccessful in the production of real antiperovskites, but the synthesis of several other compounds is reported. Firstly, the iodide salt of trimethylammonium-N-oxide was synthesized and structurally and thermally characterized using single-crystal x-ray diffraction and differential thermal analysis. This salt was found to assume a monoclinic structure consisting of layers of iodide ions and bilayers of hydrogen bonded trimethylamine-N-oxide molecules along the c direction. The exact mechanism of thermal decomposition of the salt remains unclear. Melt crystallization of sodium iodide and sodium sulfide—reagent for the synthesis of the antiperovskite sodium sulfoiodide—led to the formation of sodium sulfate. Finally, flux growth of the antiperovskite sodium oxyiodide yielded a small quantity of sodium orthoperiodate. The structure of this compound, which was not previously described in the literature, was solved from single-crystal x-ray diffraction data. The compound was found to be isostructural with previously reported alkali metal perrhenates. This report can serve as a starting point for further investigation into inorganic and inverse hybrid perovskites.

Item Type:	Thesis (Research Project)
Supervisor name:	Blake, G.R.
Degree programme:	Chemistry
Thesis type:	Research Project
Language:	English
Date Deposited:	24 Dec 2019 13:16
Last Modified:	24 Dec 2019 13:16
URI:	https://fse.studenttheses.ub.rug.nl/id/eprint/21323

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