CHARACTERISTICS OF pH VARIATION ON STRUCTURAL AND OPTICAL PROPERTIES OF NANOCRYSTALLINE SnO2 THIN FILMS BY CBD TECHNIQUE

被引：0
|
作者：
Mohammad, J. F. [1 ]
Sooud, M. A. A. [1 ]
Abed, S. M. [1 ]
机构：
[1] Univ Anbar, Coll Educ Pure Sci, Phys Dept, Ramadi, Iraq
来源：
JOURNAL OF OVONIC RESEARCH | 2020年 / 16卷 / 02期
关键词：
SnO2 thin films; Nanostructures; CBD technique; Optical properties; AFM; CHEMICAL BATH DEPOSITION; GAS; TRANSPARENT; LAYER;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Transparent nanostructure Tin dioxide (SnO2) films with three different pH values (pH= 9, 10 and 11) were deposited on a commercial glass substrate by simple chemical bath deposition (CBD) technique, and there Structural and optical properties were characterized. The structural analysis revealed that the grown thin film exhibit tetragonal structure, small roughness and have nanocrystalline grains on the surface. While the optical results shows that the films have high transmittance (> 80 %) and the values of the optical energy gap (E-g) was 3.94, 3.84 and 3.73 eV for pH= 9, 10 and 11 respectively. These values of (E-g) greater than of bulk SnO2 (E-g approximate to 3.6 eV) due to the quantum size effect.
引用
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页码：107 / 113
页数：7
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