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Issue 11, 2010
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In situ X-ray diffraction study of the hydrothermal crystallization of hierarchical Bi2WO6nanostructures

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Abstract

The hydrothermal crystallization of hierarchical Bi2WO6 nanostructures has been monitored with in situ energy-dispersive X-ray diffraction (EDXRD). The kinetic data analysis according to the Avrami-Erofe'ev model suggests that the formation of nanostructured Bi2WO6 is diffusion controlled with Avrami exponents around 0.5 and that the growth mechanism is temperature independent in the interval from 150 to 180 °C. Furthermore, the reaction kinetics and the crystal structure of the resulting hydrothermal products depend on the pH value of the Bi(NO3)3·5H2O/K2WO4 hydrothermal system.

Graphical abstract: In situ X-ray diffraction study of the hydrothermal crystallization of hierarchical Bi2WO6 nanostructures

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Supplementary files

Article information


Submitted
25 May 2010
Accepted
16 Jul 2010
First published
16 Aug 2010

Nanoscale, 2010,2, 2412-2417
Article type
Paper

In situ X-ray diffraction study of the hydrothermal crystallization of hierarchical Bi2WO6 nanostructures

Y. Zhou, E. Antonova, W. Bensch and G. R. Patzke, Nanoscale, 2010, 2, 2412
DOI: 10.1039/C0NR00340A

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