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Published in: Journal of Materials Science 5/2018

02-11-2017 | Chemical routes to materials

One-step hydrothermal synthesis and characterisation of SnO2 nanoparticle-loaded TiO2 nanotubes with high photocatalytic performance under sunlight

Authors: Pham Van Viet, Tran Hong Huy, Nguyen Xuan Sang, Cao Minh Thi, Le Van Hieu

Published in: Journal of Materials Science | Issue 5/2018

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Abstract

The enhancement of the photocatalytic activity of TiO2 nanotubes (TNTs), as a result of heterojunction formation through the addition of SnO2 nanoparticles (NPs) by a simple and straightforward one-step hydrothermal method, is shown. The structure and properties of the as-synthesised composite material are characterised using X-ray diffraction, transmission electron microscopy, field emission scanning electron microscopy, UV–Vis diffuse reflectance spectroscopy, Raman spectroscopy and photoluminescence spectroscopy. The SnO2/TNT heterojunction with extremely small SnO2 NPs adhered on the TNT surface was successfully synthesised by a one-step hydrothermal synthesis. The mechanism and factors affecting the photocatalytic activity were verified and clarified. Furthermore, the sample with 2% SnO2 precursor content has the highest photocatalytic activity with a methylene blue degradation efficiency of 74.2% for 180 min under sunlight irradiation.

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Appendix
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Metadata
Title
One-step hydrothermal synthesis and characterisation of SnO2 nanoparticle-loaded TiO2 nanotubes with high photocatalytic performance under sunlight
Authors
Pham Van Viet
Tran Hong Huy
Nguyen Xuan Sang
Cao Minh Thi
Le Van Hieu
Publication date
02-11-2017
Publisher
Springer US
Published in
Journal of Materials Science / Issue 5/2018
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-017-1762-6

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