Abstract
Nanostructured manganese oxide (Mn2O3) thin films were synthesized by spin coating method. The effect of preparation conditions, such as calcination temperature, rotation speed, as well as solution aging time on structural, morphological, and optical properties of the samples were investigated. The phase of the grown films changed from amorphous to orthorhombic by applying the calcination temperature beyond 400 °C. At low calcination temperature, agglomerations of the particles happened and no uniform structure formed. Furthermore, the results indicated that employing higher rotation speeds led to decrement of the samples crystallinity. Aging the solution did not change the absorption edge of the samples. However, the optical transmittance of the samples decreased by about 10 percent.
Highlights
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Mn2O3 thin films have been prepared by sol-gel spin coating technique.
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Structural, morphological, and optical properties of Mn2O3 thin films have been studied.
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The effects of calcination temperature as well as rotation spin in spinning process have been investigated.
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The effect of solution aging on physical properties of the Manganese oxide thin films has been studied.
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Bahadori, A., Dizaji, H.R., Memarian, N. et al. Effect of preparation conditions on physical properties of manganese oxide thin films. J Sol-Gel Sci Technol 95, 180–189 (2020). https://doi.org/10.1007/s10971-020-05296-x
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DOI: https://doi.org/10.1007/s10971-020-05296-x