Structural, Optical Properties of Zr Doping Mn3O4 Sprayed Thin Films and Ethanol Sensing

被引：3
|
作者：
Ouni, B. [1 ]
Larbi, T. [1 ]
Amlouk, M. [1 ]
机构：
[1] Tunis El Manar Univ, Fac Sci Tunis, Unite Phys Dispositifs Semicond, Tunis 2092, Tunisia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2022年 / 96卷 / 08期
关键词：
thin films; optical properties; Raman spectroscopy and ethanol sensing; ELECTRICAL-PROPERTIES; PERFORMANCE; DEPOSITION; NANOCOMPOSITE; TEMPERATURE; BIOSENSORS; FOOD;
D O I：
10.1134/S0036024422080192
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Husmannite manganese oxide thin films doped by Zirconium (1-3 at %) were deposited by the spray pyrolysis technique at 350 degrees C. First, the Structural characterization of the films was performed by using X-ray diffraction and Raman spectroscopy while the morphological modifications were studied by the atomic force microscopy (AFM). The optical properties were studied by UV-Vis-NIR spectrophotometry over a wavelength range of 250-2500 nm. The optical band gap energy of undoped film is found to be 2.23 eV and increases with Zr doping to 2.81 eV. Finally, DC electrical resistance measurements were carried out to determine the response of the films upon exposure to ethanol vapor.
引用
收藏
页码：1707 / 1714
页数：8
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