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首页> 外文期刊>European Physical Journal Plus >Silver-doped cadmium oxide nanoparticles: Synthesis, structural and optical properties
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Silver-doped cadmium oxide nanoparticles: Synthesis, structural and optical properties

机译：掺杂银的氧化镉纳米粒子：合成，结构和光学性质

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摘要

This paper reports the synthesis and detailed characterization of silver (Ag)-doped cadmium oxide (Ag-CdO) nanoparticles which were prepared by the facile co-precipitation method. The prepared nanoparticles were characterized by various techniques such as X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM) and diffused reflectance spectroscopy (DRS). Further, the effect of various Ag-doping concentrations on the morphological, structural and optical properties of Ag-doped CdO nanoparticles were also examined and presented in this paper. The XRD results revealed that pure and Ag-doped CdO possess a face-centered cubic (FCC) crystal structure. Importantly, the band gap (Eg) of Ag-doped CdO nanoparticles was examined by diffused reflectance spectroscopy using the Kubelka-Munk method. The optical energy band gap values of Ag-doped CdO nanoparticles with various Ag doping concentrations, i. e. 0,1, 5, 10, 15, 20, 30%, were found to be 1.625, 1.64, 1.73, 1.89, 1.91, 1.93, 1.95 eV, respectively. Interestingly, it was seen that with increasing the Ag concentrations the band gap energies also increases. The present work demonstrates that Ag-doped CdO nanoparticles possess good optical properties and hence present themselves as a potential candidate for various high-technological electronic and optoelectronic devices.
机译：本文报道了通过共沉淀法制备的掺银（Ag）的氧化镉（Ag-CdO）纳米粒子的合成和详细表征。通过各种技术，例如X射线衍射（XRD），扫描电子显微镜（SEM），透射电子显微镜（TEM）和漫反射光谱（DRS）来表征所制备的纳米颗粒。此外，本文还研究了各种Ag掺杂浓度对Ag掺杂的CdO纳米颗粒的形貌，结构和光学性质的影响。 XRD结果表明，纯净的和掺杂Ag的CdO具有面心立方（FCC）晶体结构。重要的是，使用Kubelka-Munk方法通过漫反射光谱法检查了掺Ag的CdO纳米粒子的带隙（Eg）。具有各种Ag掺杂浓度的Ag掺杂CdO纳米粒子的光能带隙值，即。 e。发现0,1、5、10、15、20、30％分别为1.625、1.64、1.73、1.89、1.91、1.93、1.95 eV。有趣的是，发现随着Ag浓度的增加，带隙能量也增加。目前的工作表明，掺Ag的CdO纳米粒子具有良好的光学性能，因此，它们本身可作为各种高科技电子和光电设备的潜在候选者。

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