Effect of Precursor pHon Cadmium Doped Manganese Sulphide (CdMnS) Thin Films For Photovoltaic Application

International Journal of Material Science and Engineering

© 2020 by SSRG - IJMSE Journal

Volume 6 Issue 2

Year of Publication : 2020

Authors : Imosobomeh L. Ikhioya, Ijabor B. Okeoghene, Agbakwuru C. B,Opene N. Josephine, Adezuka Yahaya

10.14445/23948884/IJMSE-V6I2P101

How to Cite?

Imosobomeh L. Ikhioya, Ijabor B. Okeoghene, Agbakwuru C. B,Opene N. Josephine, Adezuka Yahaya, "Effect of Precursor pHon Cadmium Doped Manganese Sulphide (CdMnS) Thin Films For Photovoltaic Application," SSRG International Journal of Material Science and Engineering, vol. 6,  no. 2, pp. 1-8, 2020. Crossref, https://doi.org/10.14445/23948884/IJMSE-V6I2P101

Abstract:

Synthesis of cadmium doped manganese sulphide thin film semiconductor material includes; manganous acetate tetrahydrate (C4H6MnO44H2O), cadmium sulphate (CdSO4), Thioacetamide (SC(NH2)2) and Ammonia (NH3). CdMnS thin films exhibit the hexagonal structure with reflection peaks observed at (100), (002), (101) and (203) diffraction planes with corresponding angels at 2θ (25.86, 27.97, 32.55 and 34.65) diffraction angels. The spectra showed that as the wavelength of incident radiation increases the absorbance of the electromagnetic radiation decreases. It was also noticed that sample CD0 which represent MnS recorded the lowest absorbance value of 0.732 while sample CD4 which represents CdMnS thin films deposited with a pH of 12.5 recorded the highest absorbance value of 0.899. It was shows in the SEM a random distribution of big nano-grains on the substrate for sample CD0 and small nano-grain for sample CD3 but for sample CD1, CD2 and CD4 the nano-grains were observed to agglomerate due to the presence of large free energy characteristic of small particles. The band gap energy of CdMnS thin films grown at different pH as obtained from the plot is given as 1.25 eV – 1.15 eV.

Keywords:

CdMnS, ECD, SEM, EDX, optical properties

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