Reference : Mesoporous TiO2 anatase films for enhanced photocatalytic activity under UV and visib...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
http://hdl.handle.net/10993/45522
Mesoporous TiO2 anatase films for enhanced photocatalytic activity under UV and visible light
English
Ishchenko, Olga M. [> >]
Lamblin, Guillaume [> >]
Guillot, Jérôme [> >]
Infante, Ingrid C. [> >]
Guennou, Mael mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)]
Adjeroud, Noureddine [> >]
Fechete, Ioana [> >]
Garin, Francois [> >]
Turek, Philippe [> >]
Lenoble, Damien mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) >]
2020
RSC Adv.
The Royal Society of Chemistry
10
38233-38243
Yes
International
[en] Mesoporous TiO2 films with enhanced photocatalytic activity in both UV and visible wavelength ranges were developed through a non-conventional atomic layer deposition (ALD) process at room temperature. Deposition at such a low temperature promotes the accumulation of by-products in the amorphous TiO2 films, caused by the incomplete hydrolysis of the TiCl4 precursor. The additional thermal annealing induces the fast recrystallisation of amorphous films, as well as an in situ acidic treatment of TiO2. The interplay between the deposition parameters, such as purge time, the amount of structural defects introduced and the enhancement of the photocatalytic properties from different mesoporous films clearly shows that our easily upscalable non-conventional ALD process is of great industrial interest for environmental remediation and other photocatalytic applications, such as hydrogen production.
Luxembourg Institute of Science & Technology - LIST
Fonds National de la Recherche - FnR
http://hdl.handle.net/10993/45522
10.1039/D0RA06455F
http://dx.doi.org/10.1039/D0RA06455F

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