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首页> 外文期刊>Applied Surface Science >Supercritical carbon dioxide-assisted preparation of palladium nanoparticles on cyclotriphosphazene-containing polymer nanospheres
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Supercritical carbon dioxide-assisted preparation of palladium nanoparticles on cyclotriphosphazene-containing polymer nanospheres

机译：含环三磷腈的聚合物纳米球上超临界二氧化碳辅助制备钯纳米粒子

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摘要

Poly(cyclotriphosphazene-co-4,4'-sulfonyldiphenol) (PZS) nanospheres with average diameter of 410 nm were synthesized rapidly at room temperature and then homogeneously decorated with Pd nanoparticles through an inorganic reaction in supercritical carbon dioxide-ethanol solution using PdCb as a metal precursor. The resultant Pd/PZS nanocomposites were morphologically and structurally characterized by means of scanning electron microscopy, transmission electron microscope equipped with energy-dispersive X-ray spectroscopy, and X-ray diffraction techniques. Characterization results showed that the Pd nanoparticles with good dispersibility could be well anchored onto the surfaces of the PZS nanospheres and the size of Pd nanoparticles could be controlled easily by varying the ethanol-reduction time.
机译：在室温下快速合成平均直径为410 nm的聚（环三磷腈-co-4,4'-磺酰基二酚）（PZS）纳米球，然后在超临界二氧化碳-乙醇溶液中使用PdCb作为无机反应，通过无机反应均匀地装饰Pd纳米颗粒。金属前体。所得的Pd / PZS纳米复合材料通过扫描电子显微镜，配备能量色散X射线光谱的透射电子显微镜和X射线衍射技术在形态和结构上进行表征。表征结果表明，具有良好分散性的Pd纳米粒子可以很好地固定在PZS纳米球的表面上，并且可以通过改变乙醇还原时间来轻松控制Pd纳米粒子的尺寸。

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  • 来源
    《Applied Surface Science》 |2011年第16期|p.7129-7133|共5页
  • 作者

    Jianwei Fu; Minghuan Wang; Shitao Wang; Xuzhe Wang; Hongfang Wang; Lei Hu; Qun Xu;

  • 作者单位

    School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou 450052, PR China;

    School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou 450052, PR China;

    School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou 450052, PR China;

    School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou 450052, PR China;

    School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou 450052, PR China;

    School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou 450052, PR China;

    School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou 450052, PR China;

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  • 正文语种 eng
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  • 关键词

    deposition; supercritical carbon dioxide; nanocomposites; polymer; cyclotriphosphazene;

    机译：沉积;超临界二氧化碳;纳米复合材料;聚合物;环三磷腈;

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