Issue 96, 2016

Time-resolved in situ powder X-ray diffraction reveals the mechanisms of molten salt synthesis

Abstract

We report the first use of high-energy monochromatic in situ X-ray powder diffraction to gain unprecedented insights into the chemical processes occurring during high temperature, lab-scale metal oxide syntheses. During the flux synthesis of the n = 4 Aurivillius phase, Bi5Ti3Fe0.5Cr0.5O15 at 950 °C in molten Na2SO4 we observe the progression of numerous metastable phases. Using sequential multiphase Rietveld refinement of the time-dependent in situ XRD data, we are able to obtain mechanistic understanding of this reaction under a range of conditions.

Graphical abstract: Time-resolved in situ powder X-ray diffraction reveals the mechanisms of molten salt synthesis

Supplementary files

Article information

Article type
Communication
Submitted
11 Oct 2016
Accepted
01 Nov 2016
First published
01 Nov 2016

Chem. Commun., 2016,52, 13865-13868

Time-resolved in situ powder X-ray diffraction reveals the mechanisms of molten salt synthesis

S. J. Moorhouse, Y. Wu, H. C. Buckley and D. O'Hare, Chem. Commun., 2016, 52, 13865 DOI: 10.1039/C6CC08133A

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