研究目的
To develop a new method for producing MnSe thin films and investigate their structural and optical properties at different pH levels.
研究成果
A new method was developed for producing MnSe thin films. The films had the best crystallinity at pH: 9. The grain size and optical properties of the films were found to be dependent on the pH level of the chemical bath. The study provides a foundation for further research on MnSe thin films using chemical bath deposition.
研究不足
The production of MnSe thin films with chemical bath deposition is very difficult and has not been previously reported. The study is limited to the analysis of structural and optical properties at different pH levels.
1：Experimental Design and Method Selection:
Chemical bath deposition method was used to produce MnSe thin films on commercial glass substrates. The structural and optical properties were analyzed at different pH levels (11, 10, 9, 8).
2：8).
Sample Selection and Data Sources:
2. Sample Selection and Data Sources: MnSe thin films were prepared using a selenium source solution, manganese nitrate, and triethanolamine (TEA) in deionized water. The pH was adjusted using 8% HCl.
3：List of Experimental Equipment and Materials:
pH meter (Lenko mark 6230N), X-ray diffraction (XRD) with a CuKα1 radiation source (Rikagu RadB model), scanning electron microscope (SEM) (EVO 40-LEO), EDX spectrometer, Hach Lange 500 spectrophotometer.
4：Experimental Procedures and Operational Workflow:
The selenium source solution was prepared, followed by the chemical bath deposition of MnSe thin films at different pH levels. The films were characterized using XRD, SEM, EDX, and spectrophotometry.
5：Data Analysis Methods:
The grain size was calculated using Debye Scherrer's formula, and the dislocation density was determined. Optical properties were analyzed using transmittance, reflectance, and absorbance spectra.
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