Study the structural, optical and electrical properties of sprayed Zinc oxide (ZnO) thin films before and after annealing temperature

被引：5

作者：

Aoun, Yacine ^{[1
]}

Benhaoua, Boubaker ^{[2
]}

Gasmi, Brahim ^{[3
]}

Benramache, Said ^{[3
,4
]}

机构：

[1] Univ Biskra, Fac Technol, Dept Mech, Biskra 07000, Algeria

[2] Univ El Oued, Inst Technol, VTRS Lab, El Oued, Algeria

[3] Univ Biskra, Lab Phys Couches Minces & Applicat, Biskra 07000, Algeria

[4] Univ Biskra, Mat Sci Dept, Fac Sci, Biskra 07000, Algeria

来源：

MAIN GROUP CHEMISTRY | 2015年 / 14卷 / 01期

关键词：

ZnO; thin films; snnealing temperature; spray pyrolysis technique; PHOTOLUMINESCENCE; THICKNESS;

D O I：

10.3233/MGC-140150

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Zinc oxide (ZnO) thin films were deposited on glass substrates by spray pyrolysis technique by decomposition of zinc acetate dihydrate in ethanol. The ZnO thin films were deposited at 350 degrees C and annealed at 500 degrees C for 2 h. The substrate was R217102 glass in a size of 30 cm x 7.5 cm x 0.1 cm. The films exhibited a hexagonal wurtzite structure with a strong (002) preferred orientation. The higher value of crystallite size (20.29 nm) was attained with films annealed at 500 degrees C, probably due to improvement of the crystallinity of the films with heating. The average transmittance of the films, by UV-Vis, was over of 95 %. The band gap energy varied from 3.279 to 3.288 eV for the non-annealed and annealed films, respectively. The electrical resistivity was measured to be 0.4 Omega.cm.

引用

页码：27 / 33

页数：7

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