Issue 13, 2013

A low-temperature synthesis of monoclinic VO2 in an atmosphere of air

Abstract

Monoclinic vanadium dioxide (VO2) particles are prepared via the thermolysis of a vanadyl ethylene glycolate precursor in an atmosphere of air. Monoclinic VO2 particles can be obtained at temperatures above 170 °C in an oven. The synthetic VO2 product exhibits high crystallinity and features a pure monoclinic phase and composition. The expected metal–insulator transition at around 68 °C is revealed by differential scanning calorimetry, variable-temperature X-ray diffraction and temperature-dependent resistance curves. The exothermic decomposition of the precursor elevates the temperature of the sample and results in a final sample consisting of monoclinic VO2 and having a high crystallinity at room temperature.

Graphical abstract: A low-temperature synthesis of monoclinic VO2 in an atmosphere of air

Supplementary files

Article information

Article type
Paper
Submitted
15 Dec 2012
Accepted
21 Jan 2013
First published
21 Jan 2013

J. Mater. Chem. A, 2013,1, 4250-4254

A low-temperature synthesis of monoclinic VO2 in an atmosphere of air

J. Zou, Y. Peng and H. Lin, J. Mater. Chem. A, 2013, 1, 4250 DOI: 10.1039/C3TA01494K

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