Structural and optical properties of nanocrystalline MoO3 thin films grown by thermal oxidation of sputtered molybdenum films

被引：13
|
作者：
Ghasemi, Bita [1 ]
Hajakbari, Fatemeh [1 ]
Hojabri, Alireza [1 ]
机构：
[1] Islamic Azad Univ, Karaj Branch, Dept Phys, Karaj, Iran
来源：
INORGANIC AND NANO-METAL CHEMISTRY | 2020年 / 50卷 / 05期
关键词：
Nanocrystalline; MoO3; sputtering; optical band gap; thin films; ELECTROCHROMIC PROPERTIES; SENSING PROPERTIES; TEMPERATURE;
D O I：
10.1080/24701556.2020.1716008
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Nanocrystalline MoO3 films were synthesized using thermal oxidation of molybdenum films deposited on quartz substrates by DC magnetron sputtering at different sputtering powers and times. The structural, morphological and optical properties of MoO3 films were studied by XRD, AFM, FESEM, RBS, and spectrophotometry. XRD patterns showed that, upon thermal oxidation the amorphous Mo films transformed to polycrystalline alpha-MoO3. The average crystallite size varied between 23 and 49 nm. AFM and FESEM images exhibited that the surface morphology of the films effectively influenced by sputtering parameters. The variation of transmittance and optical band gap with the deposition parameters were also discussed.
引用
收藏
页码：414 / 422
页数：9
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