氟在F-La/TiO光催化剂对甲醇-水溶液光催化分解中的作用
The Role of Fluorine in F-La/TiO Photocatalysts on Photocatalytic Decomposition of Methanol-Water Solution.
作者信息
Edelmannová Miroslava, Dubnová Lada, Reli Martin, Meinhardová Vendula, Huo Pengwei, Lavrenčič Štangar Urška, Čapek Libor, Kočí Kamila
机构信息
Institute of Environmental Technology, VŠB-Technical University of Ostrava, 17. listopadu 15/2172, 70800 Ostrava, Czech Republic.
Faculty of Materials Science and Technology, VŠB-Technical University of Ostrava, 17. listopadu 15/2172, 70800 Ostrava, Czech Republic.
出版信息
Materials (Basel). 2019 Sep 5;12(18):2867. doi: 10.3390/ma12182867.
F-La/TiO photocatalysts were studied in photocatalytic decomposition water-methanol solution. The structural, textural, optical, and electronic properties of F-La/TiO 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/TiO was nearly up to 3 times higher than in the presence of pure TiO. The photocatalytic performance of F-La/TiO increased with increasing photocurrent response and conductivity originating from the higher amount of fluorine presented in the lattice of TiO.
对F-La/TiO光催化剂进行了光催化分解水-甲醇溶液的研究。通过X射线粉末衍射（XRD）、氮物理吸附、紫外-可见漫反射光谱（UV-Vis DRS）、电化学阻抗谱（EIS）和X射线荧光（XPS）相结合的方法，研究了F-La/TiO光催化剂的结构、织构、光学和电子性质。在2.8F-La/TiO存在下产生的氢气量几乎比纯TiO存在时高出近3倍。F-La/TiO的光催化性能随着光电流响应和电导率的增加而提高，这源于TiO晶格中存在的较高含量的氟。
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