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Issue 20, 2018
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In situ microscopy across scales for the characterization of crystal growth mechanisms: the case of europium oxalate

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Abstract

A better understanding of how production pathway affects the final product is required in order to produce targeted syntheses, but many of the classical ex situ techniques used for studying nanoparticle growth are unsuitable as stand-alone methods for identifying and characterizing growth mechanisms. Using a combination of high resolution transmission electron microscopy (TEM), cryogenic TEM, liquid cell scanning electron microscopy, and optical microscopy we monitor europium oxalate growth over the range of nanometers to tens of micrometers and identify potential crystal growth pathways. Interpretation of the evolving crystallites reveals the significant impact of inhomogeneity in diffusion fields on diffusion limited crystal growth. We also compare the effects of stirring during crystal growth as an example of how changing processing conditions changes growth mechanisms.

Graphical abstract: In situ microscopy across scales for the characterization of crystal growth mechanisms: the case of europium oxalate

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Article information


Submitted
09 Aug 2017
Accepted
12 Apr 2018
First published
30 Apr 2018

CrystEngComm, 2018,20, 2822-2833
Article type
Paper
Author version available

In situ microscopy across scales for the characterization of crystal growth mechanisms: the case of europium oxalate

J. A. Soltis, W. C. Isley, M. Conroy, S. M. Kathmann, E. C. Buck and G. J. Lumetta, CrystEngComm, 2018, 20, 2822
DOI: 10.1039/C7CE01450C

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