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Vol. 26 No. 17 (2014): Vol 26 Issue 17

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Preparation, Photoelectricity Property and Photocatalytic Activity of Alkaline-Earth Metals Modified TiO2 Nanoparticles

https://doi.org/10.14233/ajchem.2014.18129
Zong-Yi Min
College of Envirnomental Science and Engineering, Hunan University, Changsha, P.R. China ; Key Laboratory of Emviromental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, P.R. China
Shao-You Liu
Institute of Applied Chemistry, College of Chemistry and Materials Engineering, Kaili University, Kaili, P.R. China
Zhong-Bing He
College of Envirnomental Science and Engineering, Hunan University, Changsha, P.R. China ; Institute of Applied Chemistry, College of Chemistry and Materials Engineering, Kaili University, Kaili, P.R. China
Yun-Guo Liu
College of Envirnomental Science and Engineering, Hunan University, Changsha, P.R. China ; Key Laboratory of Emviromental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, P.R. China
Guang-Ming Zeng
College of Envirnomental Science and Engineering, Hunan University, Changsha, P.R. China ; Key Laboratory of Emviromental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, P.R. China
Xin-Jiang Hu
College of Envirnomental Science and Engineering, Hunan University, Changsha, P.R. China ; Key Laboratory of Emviromental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, P.R. China
Si-Mian Liu
College of Envirnomental Science and Engineering, Hunan University, Changsha, P.R. China ; Key Laboratory of Emviromental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, P.R. China
Xin Nie
Institute of Applied Chemistry, College of Chemistry and Materials Engineering, Kaili University, Kaili, P.R. China

Corresponding Author(s) : Shao-You Liu

lsy651204@163.com

Asian Journal of Chemistry, Vol. 26 No. 17 (2014): Vol 26 Issue 17

Abstract

To find the properties of the IIA main group elements (MeIIA) modified titanium dioxide (TiO2) nanomaterials, MeIIA (MeIIA = Be, Mg, Ca, Sr, Ba) modified TiO2 (MeIIA-TiO2) nanoparticles were successfully prepared by solid state reaction method. Moreover, the microstructure, surface photovoltaic properties and photocatalytic properties of the materials were characterized. The results showed that, except for Ba element, the other IIA metals doped TiO2 nanomaterials were anatase. MeIIA-TiO2 materials’ micromorphology was spherical nanoparticles and their size distributions were gradually widened with the increase of ionic radius and mass fraction. In addition, UV-visible spectra were red-shifted and approached about 410 nm. Under the same conditions, it was positive that photocatalytic degradation experience of fenvalerate and photoelectric conversion ability of MeIIA-TiO2 nanomaterials, following an order of Ca-TiO2 > Sr-TiO2 > Ba-TiO2 > Mg-TiO2 > Be-TiO2. However, its quantum efficiency was in order: Ca-TiO2 > Ba-TiO2 > Mg- TiO2 > Sr-TiO2 > Be-TiO2> TiO2.

Keywords

Alkaline-earth metals TiO2 Solid-state reaction Photovoltaic properties Fenvalerate Photocatalytic degradation
Min, Z.-Y., Liu, S.-Y., He, Z.-B., Liu, Y.-G., Zeng, G.-M., Hu, X.-J., … Nie, X. (2014). Preparation, Photoelectricity Property and Photocatalytic Activity of Alkaline-Earth Metals Modified TiO2 Nanoparticles. Asian Journal of Chemistry, 26(17), 5447–5452. https://doi.org/10.14233/ajchem.2014.18129
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