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首页> 外文期刊>Chemistry: A European journal >Controlled synthesis and luminescence of semiconductor nanorods
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Controlled synthesis and luminescence of semiconductor nanorods

机译：半导体纳米棒的受控合成和发光

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摘要

A variety of nearly monodisperse semiconductor nanocrystals, such as US, ZnS, and ZnS:Mn, with controllable aspect ratios have been successfully prepared through a facile synthetic process. These as-prepared nanocrystals were obtained from the reactions between metal ions and thioacetamide by employing octadecylamine or oleylamine as the surfactants. The effects of reaction temperature and time, ratios of thioacetamide to inorganic precursors, and the reactant content on the size and crystal purity of the nanorods, have been systematically investigated. The optical properties and the formation mechanism of the nanorods have also been discussed. For the next biolabel applications, these hydrophobic nanocrystals have also been transferred into hydrophilic colloidal spheres by means of an emulsion-based bottom-up self-assembly approach.
机译：已经通过一种简便的合成方法成功地制备了纵横比可控制的各种几乎单分散的半导体纳米晶体，例如US，ZnS和ZnS：Mn。这些制备的纳米晶体是通过使用十八烷基胺或油胺作为表面活性剂从金属离子与硫代乙酰胺之间的反应获得的。已经系统地研究了反应温度和时间，硫代乙酰胺与无机前体的比例以及反应物含量对纳米棒的尺寸和晶体纯度的影响。还讨论了纳米棒的光学性质和形成机理。对于下一个生物标记应用，这些疏水性纳米晶体也已经通过基于乳液的自下而上的自组装方法转移到亲水性胶体球中。

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