Structural and optical characterization of (Sn/Li) co-doped ZnO thin films deposited by spray pyrolysis technique

被引：15
|
作者：
Rherari, A. [1 ]
Addou, M. [1 ,2 ]
Haris, M. [3 ]
机构：
[1] Ibn Tofail Univ, Lab Optoelect & Phys Chem Mat, Dept Phys, Kenitra 14000, Morocco
[2] Univ Abdelmalek Essaadi FST, Lab Mat & Valorisat Nat Resources, Tangier, Morocco
[3] Karunya Univ, Dept Sci Phys, Coimbatore 641114, Tamil Nadu, India
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2017年 / 28卷 / 21期
关键词：
ELECTRICAL-PROPERTIES; BAND-GAP; TEMPERATURE; MODULATION;
D O I：
10.1007/s10854-017-7469-2
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
(Sn/Li) co-doped ZnO (LTZO) thin films have been deposited by spray pyrolysis technique and their structural, morphological and optical properties have been investigated. The films were characterized by X-ray diffractometer (XRD), field-emission scanning electron micrograph (FESEM), (UV-Vis) spectroscopy and photoluminescence spectroscopy. XRD results revealed that all thin films (LTZO) are polycrystalline with A hexagonal wurtzite structure, moreover when the Li reach (5 at.%) content, the surface thin films of (LTZO5) become covered with bigger and clear nano-sized crystallites and the average value of grain size is 147 nm with mainly hexagonal grains. The (UV-Vis) spectroscopy showed high transmittance in the visible region, which varied between 84% and 93% and the doping of 5 at.% for all the films of Li content thin films (LTZO5) red shifted. The doping ZnO with lithium and tin were eliminates the deep-level emission in orange/red bands (around to 600 nm).
引用
收藏
页码：15762 / 15767
页数：6
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