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Organic molecules passivated Mn doped Zinc Selenide quantum dots and its properties

机译:有机分子钝化锰掺杂硒化锌量子点及其性质

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摘要

Quantum dots of Mn doped Zinc Selenide with N-Methylaniline as the capping agent was prepared by simple and inexpensive wet chemical method. Size of the particles observed by TEM was of the order of 2-4 nm which was well consistent with the size measured by UV analysis. The presence of paramagnetic substance Mn2* in the ZnSe quantum dots was confirmed by EPR measurement. Mn doped ZnSe nanoparticles exhibited a strong blue emission that was strongly dependent upon the Mn dopant level and the surface passivation produced by N-Methylaniline. The stability of the product was studied by thermal analysis which shows that this product is highly suitable for opto-electronic applications.
机译:采用简单廉价的湿法化学方法制备了以N-甲基苯胺为封端剂的锰掺杂硒化锌锌的量子点。通过TEM观察到的颗粒的尺寸为2-4nm的量级,这与通过UV分析测量的尺寸非常一致。通过EPR测量证实了ZnSe量子点中顺磁性物质Mn2 *的存在。 Mn掺杂的ZnSe纳米颗粒表现出强烈的蓝光发射,这强烈依赖于Mn掺杂剂水平和N-甲基苯胺产生的表面钝化。通过热分析研究了产品的稳定性,结果表明该产品非常适合光电应用。

著录项

  • 来源
    《Applied Surface Science》 |2011年第17期|p.7699-7703|共5页
  • 作者单位

    Center for Material science and Nano devices. Department of Physics, SRM University, Kattankulathur, Chennai 603203, Tamil Nadu, India;

    Center for Material science and Nano devices. Department of Physics, SRM University, Kattankulathur, Chennai 603203, Tamil Nadu, India,Research Institute of Electronics, Shizuoka University, 3-5-1, Johoku, Naka- ku Hamamatsu, Shizuoka 432-8011,Japan;

    Center for Material science and Nano devices. Department of Physics, SRM University, Kattankulathur, Chennai 603203, Tamil Nadu, India;

    Research Institute of Electronics, Shizuoka University, 3-5-1, Johoku, Naka- ku Hamamatsu, Shizuoka 432-8011,Japan;

    Center for Material science and Nano devices. Department of Physics, SRM University, Kattankulathur, Chennai 603203, Tamil Nadu, India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    mn doped zinc selenide; nanoparticles; wet chemical method; optical properties; structural properties;

    机译:mn掺杂硒化锌;纳米粒子湿化学法光学性质结构性质;

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