Structural, electrical and optical properties of sprayed Nd-F codoped ZnO thin films

被引：11
|
作者：
Elfakir, A. [1 ]
Tlemcani, T. S. [1 ]
Benamar, E. B. [1 ]
Belayachi, A. [1 ]
Gutierrez-Berasategui, E. [2 ]
Schmerber, G. [3 ]
Balestrieri, M. [3 ]
Colis, S. [3 ]
Slaoui, A. [4 ]
Dinia, A. [3 ]
Abd-Lefdil, M. [1 ]
机构：
[1] Univ Mohammed V Agdal, Phys Mat Lab, Rabat, Morocco
[2] IK4 Tekniker Res Ctr, Eibar 20600, Guipuzcoa, Spain
[3] Univ Strasbourg, CNRS, IPCMS, F-67037 Strasbourg 2, France
[4] Univ Strasbourg, CNRS, ICube, F-67037 Strasbourg 2, France
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2015年 / 73卷 / 03期
关键词：
Spray pyrolysis; Doping; Thin films; Characterization; PHYSICAL-PROPERTIES; TRANSPARENT; AL;
D O I：
10.1007/s10971-014-3518-y
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Undoped ZnO, Nd doped ZnO (NZO), and Nd-F co-doped ZnO (NFZO) thin films were prepared at 350 A degrees C on glass substrates by chemical spray pyrolysis method. The effect of cationic and anionic elements (Nd and F) on the structural, optical and electrical properties was studied. X-ray diffraction analysis indicated that all the films were polycrystalline with hexagonal wurtzite crystal structure and that the nature of the doping atom has a strong influence on the preferential growth direction. No sensitive evolution of the band gap is observed upon doping. Photoluminescence measurements showed that all the films have a strong emission band at around 380 nm and that Nd ions are optically activated. In addition, energy transfer from the matrix to Nd3+ ions is demonstrated by excitation photoluminescence. Layers with electrical resistivity values as low as 4.0 x 10(-2) Omega cm were obtained.
引用
收藏
页码：557 / 562
页数：6
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