Characterisation of well-adhered ZrO2 layers produced on structured reactors using the sonochemical sol–gel method

Characterisation of well-adhered ZrO2 layers produced on structured reactors using the... Article history: The aim of this study was to obtain thin zirconium dioxide coatings on structured reactors using the sono- Received 19 April 2017 chemical sol-gel method. The preparation method of metal oxide layers on metallic structures was based Received in revised form 10 July 2017 on the synergistic combination of three approaches: the application of ultrasonic irradiation during the Accepted 7 August 2017 synthesis of Zr sol-gel based on a precursor solution containing zirconium(IV) n-propoxide, the addition Available online 12 August 2017 of stabilszing agents, and the deposition of ZrO on the metallic structures using the dip-coating method. As a result, dense, uniform zirconium dioxide films were obtained on the FeCrAlloy supports. The struc- Keywords: tured reactors were characterised by various physicochemical methods, such as BET, AFM, EDX, XRF, XRD, Sonochemistry XPS and in situ Raman spectroscopy. The results of the structural analysis by Raman and XPS spectroscopy Catalyst support confirmed that the metallic surface was covered by a ZrO layer without any impurities. SEM/EDX map- ZrO ping revealed that the deposited ZrO covered the metallic support uniformly. The mechanical and high Sol–gel method 2 temperature tests showed that the developed ultrasound assisted sol-gel method is an efficient http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Characterisation of well-adhered ZrO2 layers produced on structured reactors using the sonochemical sol–gel method

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.08.057
Publisher site
See Article on Publisher Site

Abstract

Article history: The aim of this study was to obtain thin zirconium dioxide coatings on structured reactors using the sono- Received 19 April 2017 chemical sol-gel method. The preparation method of metal oxide layers on metallic structures was based Received in revised form 10 July 2017 on the synergistic combination of three approaches: the application of ultrasonic irradiation during the Accepted 7 August 2017 synthesis of Zr sol-gel based on a precursor solution containing zirconium(IV) n-propoxide, the addition Available online 12 August 2017 of stabilszing agents, and the deposition of ZrO on the metallic structures using the dip-coating method. As a result, dense, uniform zirconium dioxide films were obtained on the FeCrAlloy supports. The struc- Keywords: tured reactors were characterised by various physicochemical methods, such as BET, AFM, EDX, XRF, XRD, Sonochemistry XPS and in situ Raman spectroscopy. The results of the structural analysis by Raman and XPS spectroscopy Catalyst support confirmed that the metallic surface was covered by a ZrO layer without any impurities. SEM/EDX map- ZrO ping revealed that the deposited ZrO covered the metallic support uniformly. The mechanical and high Sol–gel method 2 temperature tests showed that the developed ultrasound assisted sol-gel method is an efficient

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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