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Development of TiO_2 and TiO_2/Fe-based polymeric nanocomposites by single-step laser pyrolysis

机译:单步激光热解制备TiO_2和TiO_2 / Fe基高分子纳米复合材料

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摘要

Polymer-based nanocomposites provided with inorganic cores were simultaneously manufactured by the single-step laser pyrolysis. A comparative study was performed on two types of nanocomposites, starting from two different systems: TiO_2/methyl methacrylate (MMA) and TiO_2/Fe/hexamethyl disiloxane (HMDSO) polymer. The reactive mixture contained TiCl_4 as Ti precursor and alternatively, Fe(CO)_5 (in case of TiO_2/Fe mixture). The analytical techniques used for the characterization indicate distinct morphologies for the obtained nanostructures. Polyhedral and almost spherical nanoparticles in a coalescent matrix and very rare individual core-shell particles are noticed for the TiO_/MMA nanocomposites. Instead, nanoparticles presenting core-shell structures were often present in the TiO_2/Fe/HMDSO polymeric nanocomposites.
机译:通过一步激光热解同时制造了具有无机核的聚合物基纳米复合材料。从两种不同的系统开始,对两种类型的纳米复合材料进行了比较研究:TiO_2 /甲基丙烯酸甲酯(MMA)和TiO_2 / Fe /六甲基二硅氧烷(HMDSO)聚合物。反应性混合物包含作为前驱体的TiCl_4和Fe(CO)_5(在TiO_2 / Fe混合物的情况下)。用于表征的分析技术表明了获得的纳米结构的不同形态。在TiO_ / MMA纳米复合材料中,聚结基质中的多面体和几乎球形的纳米颗粒以及非常罕见的单个核-壳颗粒被发现。相反,呈现核-壳结构的纳米粒子通常存在于TiO_2 / Fe / HMDSO聚合物纳米复合材料中。

著录项

  • 来源
    《Applied Surface Science》 |2013年第1期|305-312|共8页
  • 作者单位

    National Institute for Lasers, Plasma and Radiation Physics, POB MG-36, Bucharest 077125, Romania;

    National Institute for Lasers, Plasma and Radiation Physics, POB MG-36, Bucharest 077125, Romania;

    National Institute for Lasers, Plasma and Radiation Physics, POB MG-36, Bucharest 077125, Romania;

    National Institute for Lasers, Plasma and Radiation Physics, POB MG-36, Bucharest 077125, Romania;

    National Institute for Lasers, Plasma and Radiation Physics, POB MG-36, Bucharest 077125, Romania;

    National Institute for Lasers, Plasma and Radiation Physics, POB MG-36, Bucharest 077125, Romania;

    National Institute for Lasers, Plasma and Radiation Physics, POB MG-36, Bucharest 077125, Romania;

    National Institute for Lasers, Plasma and Radiation Physics, POB MG-36, Bucharest 077125, Romania;

    Ovidius University of Constanta, Bd. Mamaia 124, Constanta, Romania;

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

    Nanoparticles; TiO_2-based polymeric nanocomposites; Laser pyrolysis; Methyl methacrylate; Hexamethyl disiloxane;

    机译:纳米颗粒;TiO_2基聚合物纳米复合材料;激光热解;甲基丙烯酸甲酯;六甲基二硅氧烷;

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