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首页> 外文期刊>International Journal of Engineering Research and Applications >Studying the Structure and the Optical Properties of Pd Nanoparticles Affected by Precursor Concentration
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Studying the Structure and the Optical Properties of Pd Nanoparticles Affected by Precursor Concentration

机译：前驱体浓度对Pd纳米粒子结构和光学性能的影响

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In this paper, Palladium (Pd) nanoparticales (NPs) at different concentrations (150 and 500) capped with poly (vinylpyrrolidone) (PVP) were Synthesized by a polyol reduction method in an ethylene glycol solution at temperature of 45C?. The structural and optical properties of Pd NPs has been investigated, all thin films were tested using X-ray diffraction (XRD), all XRD peaks can be indexed as face centered cubic (FCC) Structure, with strong crystalline orientation at (111) plane. The morphology properties of the prepared films were study by Atomic Force Microscopy (AFM) the results indicated that all films have nanoscale grain size around 80 nm and Scan Electron Microscopy (SEM) images show spherical nanoscale particles with clusters shape. The size of the particles decreased with increasing of concentrations.
机译：在本文中，用多元醇还原法在45℃的乙二醇溶液中用多元醇还原法合成了不同浓度（150和500）的聚乙烯（Pd）和钯（Pd）纳米颗粒（NPs）。研究了Pd NPs的结构和光学性质，所有薄膜均使用X射线衍射（XRD）进行了测试，所有XRD峰均可以标为面心立方（FCC）结构，在（111）平面具有很强的晶体取向。通过原子力显微镜（AFM）研究了制备的薄膜的形貌特性，结果表明所有薄膜的纳米级晶粒尺寸均在80 nm左右，而扫描电子显微镜（SEM）图像显示出呈团簇状的球形纳米级粒子。颗粒的尺寸随着浓度的增加而减小。

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