Article (Scientific journals)
Mesoporous TiO2 anatase films for enhanced photocatalytic activity under UV and visible light
Ishchenko, Olga M.; Lamblin, Guillaume; Guillot, Jérôme et al.
2020In RSC Advances, 10, p. 38233-38243
Peer reviewed
 

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Abstract :
[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.
Research center :
LIST - Luxembourg Institute of Science & Technology
Disciplines :
Physics
Author, co-author :
Ishchenko, Olga M.
Lamblin, Guillaume
Guillot, Jérôme
Infante, Ingrid C.
Guennou, Mael  ;  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 ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC)
External co-authors :
yes
Language :
English
Title :
Mesoporous TiO2 anatase films for enhanced photocatalytic activity under UV and visible light
Publication date :
2020
Journal title :
RSC Advances
Publisher :
The Royal Society of Chemistry
Volume :
10
Pages :
38233-38243
Peer reviewed :
Peer reviewed
Focus Area :
Physics and Materials Science
Funders :
FNR - Fonds National de la Recherche [LU]
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