Synthesis, characterization and optical activity of La-doped ZnWO4 nanorods by hydrothermal method

被引：33
作者：
Arin, Jirapong [1 ]
Dumrongrojthanath, Phattranit [1 ]
Yayapao, Oranuch [2 ]
Phuruangrat, Anukorn [3 ]
Thongtem, Somchai [2 ]
Thongtem, Titipun [1 ]
机构：
[1] Chiang Mai Univ, Dept Chem, Fac Sci, Chiang Mai 50200, Thailand
[2] Chiang Mai Univ, Dept Phys & Mat Sci, Fac Sci, Chiang Mai 50200, Thailand
[3] Prince Songkla Univ, Dept Mat Sci & Technol, Fac Sci, Hat Yai 90112, Songkhla, Thailand
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2014年 / 67卷
关键词：
La doped ZnWO4; Hydrothermal; Nanorods; TEMPLATE-FREE SYNTHESIS; ZNO; RAMAN;
D O I：
10.1016/j.spmi.2013.12.024
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
One-dimensional La doped ZnWO4 nanostructures have been synthesized by hydrothermal method. The effect of various La contents doped ZnWO4 samples on phase, morphologies and optical properties was investigated and characterized by X-ray diffraction (XRD), field scanning electron microscopy (FESEM), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), Raman and UV-visible spectroscopy, respectively. The results of XRD, SEM and SAED revealed that all products were one-dimensional monoclinic ZnWO4 nanorods while doped La3+ constants into ZnWO4 lattice. The observation of TEM and HRTEM showed that the obtained La3+ doped ZnW4 with different La constants were homogenous nanorods shapes with grow along 10211 direction. The optical property result showed that La3+ doped ZnWO is a red shifted absorption when comparing to pure ZnW04. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：197 / 206
页数：10
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