Transition metal (Mn-, Ni-, Co- and Cu-) doped ZnS nano-flowers for morphological, structural, optical, elemental and antibacterial studies

IF 1.7 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Transition Metal Chemistry Pub Date : 2025-02-27 DOI:10.1007/s11243-025-00646-6

Lalita Rani, R. P. Chauhan

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引用次数: 0

Abstract

II–VI semiconducting nanostructures are engrossed widely for their antibacterial studies against various pathogenic species. Their small size and morphology makes them imperative for their utilization in removal of bacteria. The present study is based on solvothermal synthesis and characterization of pristine and Mn-, Ni Co and Cu-doped zinc sulphide (ZnS) nanoparticles. X-ray diffraction results demonstrated the crystalline structure, and the cauliflower-like morphology is recorded through scanning electron microscopy. The average particle size was found to vary from 4 to 15 nm when scanned by high-resolution transmission electron microscopy (HRTEM). On doping with transition metals, the bandgap values were altered, and the emission spectra were shifted to higher wavelength region with diminished intensity. The affected zone of inhibition and minimum inhibitory concentration (MIC) values, calculated against five bacterial species, are found to vary from 25 to 200 μg/mL. The copper-doped ZnS sample having the least MIC values shows superior activity followed by Mn-doped ZnS, Ni-doped ZnS, Co-doped ZnS and undoped ZnS. Owing to the improved antibacterial activity, the synthesized nanoparticles can serve as the promising antibacterial agents in the medicinal field or as an antibiotic for other applications in near future.

Graphical abstract

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过渡金属（Mn-, Ni-， Co-和Cu-）掺杂ZnS纳米花的形态，结构，光学，元素和抗菌研究

半导体纳米结构因其对多种病原菌的抗菌研究而受到广泛关注。它们的小尺寸和形态使得它们在去除细菌方面的应用势在必行。本研究是基于溶剂热合成和表征原始和Mn， Ni， Co和cu掺杂的硫化锌（ZnS）纳米颗粒。x射线衍射结果显示了晶体结构，扫描电镜记录了菜花状形貌。高分辨率透射电镜（HRTEM）扫描发现，平均粒径在4 ~ 15 nm之间。掺杂过渡金属后，带隙值发生改变，发射光谱随强度减小而向更高波长区域偏移。对5种细菌的影响范围和最小抑制浓度（MIC）值在25 ~ 200 μg/mL之间。MIC值最小的铜掺杂ZnS样品表现出较好的活性，其次是mn掺杂ZnS、ni掺杂ZnS、共掺杂ZnS和未掺杂ZnS。由于所合成的纳米颗粒具有较好的抗菌活性，在不久的将来可作为药物领域的抗菌剂或抗生素应用于其他领域。图形抽象

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来源期刊

Transition Metal Chemistry 化学-无机化学与核化学

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

1.3 months

期刊介绍： Transition Metal Chemistry is an international journal designed to deal with all aspects of the subject embodied in the title: the preparation of transition metal-based molecular compounds of all kinds (including complexes of the Group 12 elements), their structural, physical, kinetic, catalytic and biological properties, their use in chemical synthesis as well as their application in the widest context, their role in naturally occurring systems etc. Manuscripts submitted to the journal should be of broad appeal to the readership and for this reason, papers which are confined to more specialised studies such as the measurement of solution phase equilibria or thermal decomposition studies, or papers which include extensive material on f-block elements, or papers dealing with non-molecular materials, will not normally be considered for publication. Work describing new ligands or coordination geometries must provide sufficient evidence for the confident assignment of structural formulae; this will usually take the form of one or more X-ray crystal structures.