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Single crystalline ZnO nanorods grown by a simple hydrothermal process

机译:通过简单的水热工艺生长的单晶ZnO纳米棒

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Single crystalline ZnO nanorods with wurtzite structure have been prepared by a simple hydrothermal process. The microstructure and composition of the products were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution TEM, energy dispersive X-ray spectrum (EDS) and Raman spectrum. The nanorods have diameters ranging from 100 nm to 800 nm and length of longer than 10 nm. Raman peak at 437.8 cm~(-1) displays the characteristic peak of wurtzite ZnO. Photoluminescence (PL) spectrum shows a blue light emission at 441 nm, which is related to radiative recombination of photo-generated holes with singularly ionized oxygen vacancies.
机译:通过简单的水热法制备了具有纤锌矿结构的单晶ZnO纳米棒。通过X射线衍射(XRD),扫描电子显微镜(SEM),透射电子显微镜(TEM),高分辨率TEM,能量色散X射线光谱(EDS)和拉曼光谱研究了产品的微观结构和组成。纳米棒的直径为100nm至800nm,长度大于10nm。拉曼峰在437.8 cm〜(-1)处表现出纤锌矿型ZnO的特征峰。光致发光(PL)光谱显示441 nm处的蓝光发射,这与光生空穴与奇异离子化的氧空位的辐射复合有关。

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