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Advances in Condensed Matter PhysicsVolume 2013 2013, Article ID 673945, 5 pages

Research Article

The College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China

The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466001, China

Department of Applied Physics and Materials Research Center, The Hong Kong Polytechnic University, Hong Kong

Received 14 November 2013; Accepted 1 December 2013

Academic Editor: Jianhua Hao

Copyright © 2013 Dan Yue et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Bundle-shaped TbPO4·H2O nanorods have been prepared by a facile hydrothermal technique and characterized by XRD, SEM, TEM, UV-Vis diffuse reflectance spectrum DRS, photoluminescence PL spectrum, and lifetime. The results indicate that the obtained sample has hexagonal structure of TbPO4·H2O and is composed of nanorods bundles which is assembled from many single crystalline nanorods with the diameter of around 45 nm and the length of 2.3 μm. The growth of the single crystalline nanorod is along the 001 plane direction. Under the UV light irradiation, TbPO4·H2O nanorods bundles exhibit bright green emission corresponding to the transitions of the Tb

ions, and the lifetime is determined to be about 0.24 ms.





Autor: Dan Yue, Wen Luo, Wei Lu, Ruiyong Wang, Chunyang Li, Jiazhong Chang, and Zhenling Wang

Fuente: https://www.hindawi.com/



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