Effect of the number of cycles on the optical and structural properties of Mn3O4 nanostructures obtained by SILAR technique

Date

2018-06-01

Author

BAYRAM, ÖZKAN
Simsek, Onder
GÜNEY, HARUN
İĞMAN, ERDAL
Ozer, Mustafa Murat

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In this study, nanostructured Mn3O4 (manganese oxide) thin films were successfully obtained by successive ionic layer adsorption and reaction (SILAR) method on the soda lime glass substrates using Manganese Nitrate (Mn(NO3)(2)) and Ammonium hydroxide (NH4(OH)) as cationic and anionic precursors respectively. Structural and morphological characterizations of the Mn3O4 films obtained at different cycles were determined using X-ray diffraction (XRD) and Scanning Electron Microscopy (SEM). The crystal structure of the thin films were also confirmed by RAMAN spectroscopy. Optical properties such as absorption, transmission, reflection, extinction coefficient and optical band gap of nanostructured Mn3O4 thin films were determined by UV-Vis spectroscopy. SEM images showed that the manganese oxide nanosheets formed uniformly on substrate surface. As the deposition cycles increased, nano-sheets structure deteriorated. The optical band gap of Mn3O4 thin films varied from 2.12 to 2.59 eV, depending on the increase in number of cycles. From contact angle measurements of thin films, it was determined that thin films had hydrophilic character.

Subject Keywords

Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Condensed Matter Physics

URI

https://hdl.handle.net/11511/68204

Journal

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS

DOI

https://doi.org/10.1007/s10854-018-9118-9

Collections

Department of Physics, Article

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Citation Formats

Ö. BAYRAM, O. Simsek, H. GÜNEY, E. İĞMAN, and M. M. Ozer, “Effect of the number of cycles on the optical and structural properties of Mn3O4 nanostructures obtained by SILAR technique,” JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, pp. 10542–10549, 2018, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/68204.