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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Hydrothermal Synthesis and Performance of Lanthanum-Doped NaTaO3 Photocatalyst
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 397-401)
Author(s): Jin-ling Zang, College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
Xia Li, College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
Abstract: Well crystallized La doped NaTaO3 nanosized particles were prepared by a single-step hydrothermal method. The product was characterized using X-ray diffraction (XRD), scanning electron microscope (SEM) and UV-vis diffuse reflectance spectroscopy. Photocatalysis experiment was carried out under ultraviolet lamp using 5mg/l safranine solution as degradation solution. The results indicate that La doped NaTaO3 has orthorhombic phase. The grains are cubic with a size distribution from 200nm to 300nm. The doping of La ion in NaTaO3 led to a slight lattice distortion and a narrow band gap. So La doping NaTaO3 has higher photocatalysis efficiency than pure NaTaO3.
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