Preparation of Manganese Doped Copper Sulphide Nanoparticles by Cost-Favourable Chemical Method at Room Temperature

Abstract:

Copper sulphide (Cu₂S) is an indirect gap p-type semiconductor belonging to I-VI group. The wet chemical route was used to synthesize manganese (Mn) doped copper sulphide nanoparticles with a decrease in particle size by increasing the concentration of manganese element. These nanoparticles were analyzed by using the various characterization techniques like ultraviolet-visible (UV) absorption spectroscopy, photoluminescence (PL) spectroscopy and transmission electron microscopy (TEM). The dip coating method was used to prepare Mn doped Cu₂S thin films on fluorine doped tin oxide (FTO) glass slides with varying the dip time. These thin films were heat treated in air atmosphere at 420°C for 20 minutes and investigated by using the various analysis techniques like scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive analysis by X-rays (EDAX) and mapping. The detailed explanation of obtained experimental results is discussed in this paper.

• Periodical: Journal of Metastable and Nanocrystalline Materials (Volume 41)
• Pages: 43-57
• DOI: https://doi.org/10.4028/p-dlZZ55
• Online since: April 2025
• Authors: Madhavi Sharad Darekar*, Praveen Beekanahalli Mokshanatha
• Keywords: Characterization, Mn Doped Cu₂S Nanoparticles, Mn Doped Cu₂S Thin Films, Nanoparticles, Non-Aqueous Chemical Method, Synthesis

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