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Synthesis of ordered ZnS nanotubes by MOCVD-template method

机译:MOCVD-模板法合成有序ZnS纳米管

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Semiconductor ZnS nanotubes arrays were synthesized in the pores of the porous anodic alumina (PAA) membranes by using metal organic chemical vapor deposition (MOCVD) template methods. The morphology and structure of the ZnS nanotubes were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), selected-area electron diffraction (SAED) and X-ray diffraction (XRD). It is found that the ZnS nanotubes with diameters in range of 140-250 nm and the length up to tens of microns are polycrystalline. Energy-dispersion spectroscopy (EDS) and X-ray photoelectron spectroscopy analysis (XPS) indicate that the stoichiometric ZnS was formed. A green-blue emission band centered at 510nm was observed in the photoluminescence spectrum of the ZnS nanotubes.
机译:利用金属有机化学气相沉积(MOCVD)模板方法,在多孔阳极氧化铝(PAA)膜的孔中合成了半导体ZnS纳米管阵列。 ZnS纳米管的形貌和结构通过扫描电子显微镜(SEM),透射电子显微镜(TEM),选择区域电子衍射(SAED)和X射线衍射(XRD)表征。发现直径在140-250nm范围内并且长度长达数十微米的ZnS纳米管是多晶的。能量分散光谱法(EDS)和X射线光电子能谱分析(XPS)表明形成了化学计量的ZnS。在ZnS纳米管的光致发光光谱中观察到以510nm为中心的绿-蓝色发射带。

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