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首页> 外文期刊>Nanobiotechnology, IET >Preparation of silver iodide nanoparticles using laser ablation in liquid for antibacterial applications
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Preparation of silver iodide nanoparticles using laser ablation in liquid for antibacterial applications

机译：在液体中使用激光烧蚀制备碘化银纳米颗粒用于抗菌应用

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In this study, the authors reported the first synthesis process of silver iodide (AgI) nanoparticles (NPs) by pulsed laser ablation of the AgI target in deionised distilled water. The optical and structural properties of AgI NPs were investigated by using UV-vis absorption, X-ray diffraction, scanning electron microscope (SEM), energy dispersive X-ray, Fourier transform infrared spectroscopy, and transmission electron microscope (TEM). The optical data showed the presence of plasmon peak at 434 nm and the optical bandgap was found to be 2.6 eV at room temperature. SEM results confirm the agglomeration and aggregation of synthesised AgI NPs. TEM investigation showed that AgI NPs have a spherical shape and the average particle size was around 20 nm. The particle size distribution was the Gaussian type. The results showed that the synthesised AgI NPs have antibacterial activities against both bacterial strains and the activities were more potent against gram-negative bacteria.
机译：在这项研究中，作者报告了在去离子蒸馏水中通过脉冲激光烧蚀AgI目标物来合成碘化银（AgI）纳米粒子（NPs）的第一个过程。 AgI NPs的光学和结构性质通过紫外可见吸收，X射线衍射，扫描电子显微镜（SEM），能量色散X射线，傅里叶变换红外光谱和透射电子显微镜（TEM）进行了研究。光学数据表明在434nm存在等离子体激元峰，并且在室温下发现光学带隙为2.6eV。 SEM结果证实了合成的AgI NP的团聚和聚集。 TEM研究表明，AgI NPs为球形，平均粒径约为20 nm。粒度分布为高斯型。结果表明，合成的AgI NPs对这两种细菌均具有抗菌活性，对革兰氏阴性菌的活性更强。

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