Physical properties of chemically spray deposited nanocrystalline manganese sulfide (MnS) thin films
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Physical properties of chemically spray deposited nanocrystalline manganese sulfide (MnS) thin films Syed Ghause Ibrahim1,* 1
Prof Ram Meghe College of Engineering and Management, Nanostructured Thin Film Materials Laboratory, Department of Engineering Physics, Badnera 444701, Maharashtra, India
Received: 4 August 2020
ABSTRACT
Accepted: 4 November 2020
In the emerging field of research, the focus of the researchers is on nanomaterials as they preserve all the properties which a good material possesses with the exceptional advantage of dimension and cost. In the existing research work, nanocrystalline manganese sulfide (MnS) thin films were grown using glass substrates as deposition medium at 350 °C through simple and inexpensive spray pyrolysis technique and were characterized using different techniques. The films have nanocrystalline nature and accompanied hexagonal structure with preferred orientation along (1 0 0) direction with an energy bandgap of 3.20 eV. The films show n-type conductivity and the value of resistivity was found to be 6.232 9 106 Xcm.
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Springer Science+Business
Media, LLC, part of Springer Nature 2020
1 Introduction In today’s world, many electrical and optical industries are taking valuable benefits of the nanocrystalline films as they have a wide range of applications with their unique electronic, optical, and magnetic properties. On this behalf, researchers have studied and manufactured thin films of various metal chalcogenides such as PbS, CdS, ZnS, CuS, SnS, and MnS [1–9] depending on their importance as well as advantageousness properties and applications in numerous fields. Among these, manganese sulfide is one of the important material which is studied for its numerous applications in solar cells, sensor, electronic devices, and optoelectronic devices [10]. Manganese sulfide (VIIB-VIA) is a wide energy gap diluted magnetic semiconductor (DMS) material
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https://doi.org/10.1007/s10854-020-04837-y
having a bandgap approximately of the order 3.10 eV, which has a potential application in the solar cell as a window/buffer material [11]. Various researchers have used the chemical bath deposition method for the deposition of manganese sulfide thin film. Hexagonal c-manganese sulfide films were grown on a glass substrate by Hannachi et al. [12]; they report that the films cover the entire substrate regularly with grains of spherical shape. By changing the concentration of the forerunner solution, different structure was reported by Dhandayuthapani et al. [13] which may be caused by aligning accumulation adjoining particles. The films possessing extremely high transmittance and low reflectance properties were investigated by Agbo et al. [14]; this shows that films can be used as antiglare coverings in solar applications. The consequence of the substrate was
J Mater Sci: Mater Electron
reported for n-type hexagonal structured MnS films. Studies conclude that grain size, refractive index, and bandgap emphatically depend on
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