xla-3%in-tio2 photocatalytic material prepared by sol-gel method

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ID: 174999
2017
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Abstract
A sol-gel method was applied to prepare xLa-3%(mole fraction,the same below)In-TiO2 photocatalytic materials,which were characterized by XRD, SEM, surface area, and pore size distribution measures. Photocatalytic activity of the materials was also evaluated. The results show that the materials are in tetragonal anatase structure. Crystalline size of TiO2 decreases after doping La and In. In3+ and La3+ exist in TiO2 crystal lattice by substituting Ti4+. La doping results in enlarging surface area and shrinking pore size. Pore size of xLa-3%In-TiO2 is mainly in the range of 1.5-10nm. Doping of La obviously leads to enhanced photocatalytic activity. Photocatalytic rate constants of methyl orange are 0.061min-1 and 0.029min-1 on 0.3%La-3%In-TiO2 and 3%In-TiO2, respectively. The chromogenic groups in methyl orange molecules can be degraded during photocatalytic process.
Reference Key
jia-hui2017journal<i>x</i>la-3%in-tio<sub>2</sub> Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;QU Jia-hui;CHEN Jin-lei;LI Hong;ZHANG Wen-jie
Journal adsorption science and technology
Year 2017
DOI
10.11868/j.issn.1001-4381.2015.000948
URL
http://jme.biam.ac.cn/CN/Y2017/V45/I8/14
Keywords
photocatalysis sol-gel mechanics of materials

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