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Structural, Morphological and Antibacterial Studies of Solvothermally Synthesized ZnS Nanostructures: Effects of Sulphur Precursors

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Title Structural, Morphological and Antibacterial Studies of Solvothermally Synthesized ZnS Nanostructures: Effects of Sulphur Precursors
 
Creator Rani, Lalita
Chauhan, R P
 
Subject Zinc Sulphide (ZnS)
Nanostructures (NSs)
Zinc Acetate Zn (Ac)2
Reactive Oxygen Species (ROS)
 
Description 402-408
The study of zinc sulphide semiconducting nanostructures for antibacterial applications is widely increasing. As the
treatment of many infectious diseases is still challenging and efforts are being made to control the growth of bacterial infection.
The present work focuses on the structural, morphological, elemental, optical and antibacterial studies of zinc sulphide (ZnS)
semiconducting nanostructures synthesized using different sulphur sources. Solvothermal method is used as it is one of the most
promising methods to synthesize nanostructures by controlling the reaction time and reaction temperature under high pressure.
The X-ray diffraction (XRD) results give the zinc blende crystal structure for both ZnS nanostructures with crystallite size lies
in the range 3 to 4nm. The prominent change in the morphology of the synthesized nanostructures is shown by scanning
electron microscopy (SEM). Energy dispersive X-ray spectroscopy (EDX) provides information regarding the elemental
framework and type of chemical bonding present is as done by Fourier transform infrared spectroscopy (FTIR). The
luminescence and bandgap determination are done by photoluminescence (PL) spectroscopy and UV-visible absorption
spectroscopy. The synthesized nanostructures are efficient in the degradation of the cell membrane of Escherichia coli (E. coli.)
and Staphylococcus aureus (S. aureus) bacterial families. The production of reactive oxygen species (ROS) is the dominating
mechanism of action responsible for the degradation of cell membrane causing cell death. They may be further used for other
applications such as an antioxidant and photo catalytic degradation etc.
 
Date 2023-08-16T12:08:57Z
2023-08-16T12:08:57Z
2023-08
 
Type Article
 
Identifier 0971-4588 (Print); 0975-1017 (Online)
http://nopr.niscpr.res.in/handle/123456789/62443
https://doi.org/10.56042/ijems.v30i3.3664
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEMS Vol.30(3) [June 2023]