Structural and optical properties of nanoparticles (V, Al) co-doped ZnO synthesized by sol-gel processes

被引：35
作者：
El Ghoul, J. [1 ]
Bouguila, N. [1 ]
Gomez-Lopera, S. A. [2 ]
El Mir, L. [1 ,3 ]
机构：
[1] Fac Sci Gabes, Lab Phys Mat & Nanomat Appl Environm, Cite Erriadh Manara Zrig 6072, Gabes, Tunisia
[2] Univ Politecn Cartagena UPCT, Dep Fis Aplicada, Cartagena 30203, Spain
[3] Al Imam Mohammad Ibn Saud Islamic Univ IMSIU, Coll Sci, Dept Phys, Riyadh 11623, Saudi Arabia
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2013年 / 64卷
关键词：
ZnO nanocrystal; Optical property; Sol-gel; PL; THIN-FILMS; PHOTOLUMINESCENCE; GREEN; TEMPERATURE; TIO2;
D O I：
10.1016/j.spmi.2013.10.018
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
ZnO, Zn0.9V0.1O and Zn0.89V0.1Al0.01O nanoparticles have been prepared by a sal-gel method and their structural and optical properties have been investigated. The obtained nanopowder was characterised by various techniques such as X-ray diffraction (XRD), transmission electron microscopy (TEM) and photoluminescence (PL) spectroscopy. After thermal treatment at 500 degrees C in air, the powder of Zn0.89V0.1Al0.01O with an average particle size of 25 nm presents a strong luminescence band in the visible range. The PL band energy position presents a small blue shift with the increase of measurement temperature. Different possible attributions of this emission band will be discussed. Published by Elsevier Ltd.
引用
收藏
页码：451 / 459
页数：9
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