Synthesis and Microscopic Study of Zinc Sulfide Nanoparticles

Regmi, Amrit; Bhattarai, Bibek Raj; Gautam, Surendra Kumar

doi:10.1109/ic4me247184.2019.9036683

Cited by 1 publication

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“…A Group II-VI compound [1], an n-type semiconductor with a wide-bandgap of 2.4 eV [2], outstanding electronic and optical properties [3,4], zero-dimensional quantumconfinement [5] CdS NPs have appeared as the most relevant antimicrobial agents [6]. Furthermore, the CdS NPs extensively used for research on different biological application areas such as molecular histopathology [7], biological imaging [8], and advanced disease diagnostics [9,10]. Besides this, they have tremendous technological operation in fields such as solar cells [11], photoluminescence, photodetector, photocatalysis [4,5], light-emitting diodes [12], laser [5], high-density magnetic information storage [3], field-effect transistors, biological sensors [6,13], environmental sensors, and many others in semiconductor industries [3].…”

Section: Introductionmentioning

confidence: 99%

Cadmium Sulfide Nanoparticles: Synthesis, Characterization, and Antimicrobial Study

Regmi

2023

Journal of Nanomaterials

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Group II–VI cadmium sulfide nanoparticles (CdS NPs), a potential alternative to antibiotics, were synthesized using cadmium acetate [Cd(Ac)2] as a precursor, sodium sulfate as a reducing agent, and starch as a capping agent through chemical precipitation techniques. The CdS NPs were characterized using different characterizing techniques; X-ray diffraction and selected area electron diffraction patterns verify that the nanoparticles had cubic zinc blende structure with average dimension size of 2.43 nm. Scanning electron mictroscope and transmission electron microscope images illustrated that the particles were uniformly distributed in cluster form, and FTIR and EDX confirmed the synthesized nanoparticles were pure. The CdS NPs show relevant antimicrobial sensitivity against Gram-positive and Gram-negative bacterial strains and the zone of inhibition increases with the increase in the concentration of nanoparticles. In comparison to Gram-positive and Gram-negative bacteria, the synthesized nanoparticles were reported to be more effective toward Staphylococcus aureus, Gram-positive bacteria.

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