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首页> 外文会议>International Conference on Condensed Matter and Applied Physics >Structural and Optical Studies of Hydrothermally Synthesized MoS_2 Nanostructures
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Structural and Optical Studies of Hydrothermally Synthesized MoS_2 Nanostructures

机译：水热合成MOS_2纳米结构的结构和光学研究

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Transition-metal dichalcogenides like molybdenum disulphide have intrigued intensive interest as twodimensional (2D) materials beyond extensively studied graphene due to their unique electronic and optical properties. Here we report the hydrothermal synthesis of MoS_2 nanostructures without the addition of any surfactants. The structural and optical properties of the synthesized samples were characterized by various techniques, including X-ray diffraction (XRD), UV-Vis absorption, photoluminescence (PL), and Raman analysis. XRD and Raman spectroscopic studies confirm the formation of hexagonal phase and well ordered stacking of S-Mo-S layers. The increased lattice parameters of MoS_2 samples are due to the stress or strain induced bending and folding of the layers. The synthesized MoS_2 nanostructures shows a large optical absorption in 300-700 nm region and strong luminescence at 640 nm. In addition, the optical results demonstrates the quantum confinement in layered d-electron material MoS_2 that can lead to engineer its various properties for electronic and optoelectronic applications.
机译：过渡金属二硫代甲基生成剂如二硫化物，由于其独特的电子和光学性质，由于其独特的电子和光学性能而具有令人满意的强烈的兴趣（2D）材料。在这里，我们报告了MOS_2纳米结构的水热合成而不添加任何表面活性剂。合成样品的结构和光学性质的特征在于各种技术，包括X射线衍射（XRD），UV-Vis吸收，光致发光（PL）和拉曼分析。 XRD和拉曼光谱研究证实了六边形相的形成和S-MO-S层的良好堆叠。 MOS_2样品的晶格参数增加是由于所述层的应力或应变引起的弯曲和折叠。合成的MOS_2纳米结构显示在300-700nm区域中的大光学吸收和640nm的强发光。另外，光学结果显示了层叠的D-electron材料MOS_2中的量子限制，其可以导致工程师进行电子和光电应用的各种性能。

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