The Role of Fluorine in F-La/TiO2 Photocatalysts on Photocatalytic Decomposition of Methanol-Water Solution
by
Miroslava Edelmannová 1,2, Lada Dubnová 3, Martin Reli 1
, Vendula Meinhardová 3, Pengwei Huo 4, Urška Lavrenčič Štangar 5, Libor Čapek 3 and Kamila Kočí 1,*
Miroslava Edelmannová 1,2, Lada Dubnová 3, Martin Reli 1, Vendula Meinhardová 3, Pengwei Huo 4, Urška Lavrenčič Štangar 5, Libor Čapek 3 and Kamila Kočí 1,*
1
Institute of Environmental Technology, VŠB-Technical University of Ostrava, 17. listopadu 15/2172, 70800 Ostrava, Czech Republic
2
Faculty of Materials Science and Technology, VŠB-Technical University of Ostrava, 17. listopadu 15/2172, 70800 Ostrava, Czech Republic
3
Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
4
School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
5
Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, P.O Box 537, 1001 Ljubljana, Slovenia
*
Author to whom correspondence should be addressed.
Materials 2019, 12(18), 2867; https://doi.org/10.3390/ma12182867
Received: 25 July 2019 / Revised: 28 August 2019 / Accepted: 3 September 2019 / Published: 5 September 2019
(This article belongs to the Special Issue Photocatalysts for Environmental Applications)
F-La/TiO2 photocatalysts were studied in photocatalytic decomposition water-methanol solution. The structural, textural, optical, and electronic properties of F-La/TiO2 photocatalysts were studied by combination of X-ray powder diffraction (XRD), nitrogen physisorption, Ultraviolet–visible diffuse reflectance spectroscopy (UV-Vis DRS), Electrochemical impedance spectroscopy (EIS), and X-ray fluorescence (XPS). The production of hydrogen in the presence of 2.8F-La/TiO2 was nearly up to 3 times higher than in the presence of pure TiO2. The photocatalytic performance of F-La/TiO2 increased with increasing photocurrent response and conductivity originating from the higher amount of fluorine presented in the lattice of TiO2.
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Keywords:
hydrogen production; fluorine; lanthanum; titanium dioxide
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MDPI and ACS Style
Edelmannová, M.; Dubnová, L.; Reli, M.; Meinhardová, V.; Huo, P.; Lavrenčič Štangar, U.; Čapek, L.; Kočí, K. The Role of Fluorine in F-La/TiO2 Photocatalysts on Photocatalytic Decomposition of Methanol-Water Solution. Materials 2019, 12, 2867.
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